2018 CHEVROLET Silverado 1500

These recalls apply to the make, model, and year of your car – and should be fixed as soon as possible.

3 Recalls for 2018 CHEVROLET Silverado 1500

Recall Date Component Summary
October 24, 2019 ELECTRONIC STABILITY CONTROL | SERVICE BRAKES | SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR

General Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and GMC Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 5.3-liter engine, a 3.08-ratio rear axle and four-wheel drive. If a wheel-speed sensor fails, while the vehicle is traveling between 41 and 60 mph in four-wheel or automatic mode, the Electronic-Brake Control Module (EBCM) software may activate the driveline-protection system.

Remedy:

GM will notify owners, and dealers will reprogram the EBCM, free of charge. The recall began December 11, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438 or GMC customer service at 1-800-462-8782. GM’s number for this recall is N192261050.

September 6, 2019 SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

General Motors LLC (GM) is recalling certain 2015-2017 Cadillac Escalade, 2014-2018 Chevrolet Silverado, GMC Sierra, 2015-2018 Chevrolet Suburban, Tahoe, GMC Yukon vehicles. The amount of vacuum created by the vacuum pump may decrease over time.

Remedy:

GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began October 8, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM’s number for this recall is N192268490.

October 1, 2020 SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

General Motors LLC (GM) is recalling certain 2018 Cadillac Escalade, Chevrolet Silverado 1500 and Tahoe, GMC Sierra 1500 and Yukon vehicles equipped with either a 5.3L or 6.2L V8 engine. The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.

Remedy:

GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began November 11, 2020. Owners may contact GM customer service at 1-866-522-9559, Cadillac customer service at 1-800-458-8006 or Chevrolet customer service at 1-800-630-2438. GM’s number for this recall is N202300860.

These are complaints about vehicles like yours and some can only be found here. Do they sound familiar?

1 Complaints sent to the Center for Auto Safety for 2018 CHEVROLET Silverado 1500

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Date Component  
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139 Complaints submitted to NHTSA for 2018 CHEVROLET Silverado 1500

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Date Component  
POWER TRAIN
ODI Number: 11414305
UNKNOWN OR OTHER
ODI Number: 11413468
POWER TRAIN
ODI Number: 11408160
UNKNOWN OR OTHER
ODI Number: 11407699
POWER TRAIN
ODI Number: 11403351
ELECTRICAL SYSTEM | UNKNOWN OR OTHER | VISIBILITY/WIPER
ODI Number: 11404091
ELECTRICAL SYSTEM | SERVICE BRAKES
ODI Number: 11400201
POWER TRAIN
ODI Number: 11399255
ENGINE | SERVICE BRAKES | STEERING
ODI Number: 11398093
POWER TRAIN
ODI Number: 11394298
SEAT BELTS
ODI Number: 11391055
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING | SERVICE BRAKES | VEHICLE SPEED CONTROL
ODI Number: 11395110
POWER TRAIN | SERVICE BRAKES | STRUCTURE:BODY
ODI Number: 11395462
POWER TRAIN
ODI Number: 11394728
ELECTRICAL SYSTEM | EXTERIOR LIGHTING
ODI Number: 11391181
ENGINE
ODI Number: 11395012
VEHICLE SPEED CONTROL
ODI Number: 11389051
SUSPENSION
ODI Number: 11389389
SERVICE BRAKES
ODI Number: 11388823
VISIBILITY
ODI Number: 11390498
ELECTRICAL SYSTEM | POWER TRAIN | STEERING
ODI Number: 11387802
VISIBILITY/WIPER
ODI Number: 11386339
UNKNOWN OR OTHER
ODI Number: 11386805
ENGINE | POWER TRAIN
ODI Number: 11384198
UNKNOWN OR OTHER
ODI Number: 11376010
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING | SERVICE BRAKES | STEERING
ODI Number: 11375265
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL | FUEL/PROPULSION SYSTEM
ODI Number: 11375418
SEAT BELTS
ODI Number: 11373722
ENGINE | POWER TRAIN
ODI Number: 11372836
ELECTRICAL SYSTEM | SERVICE BRAKES | UNKNOWN OR OTHER
ODI Number: 11366964
ELECTRICAL SYSTEM | ELECTRONIC STABILITY CONTROL | ENGINE
ODI Number: 11364076
ENGINE | SERVICE BRAKES | STEERING
ODI Number: 11364563
ELECTRONIC STABILITY CONTROL | SERVICE BRAKES | STEERING
ODI Number: 11363831
ELECTRICAL SYSTEM | FUEL/PROPULSION SYSTEM
ODI Number: 11366009
POWER TRAIN
ODI Number: 11364177
UNKNOWN OR OTHER
ODI Number: 11361918
ELECTRONIC STABILITY CONTROL
ODI Number: 11363236
ELECTRICAL SYSTEM
ODI Number: 11355478
SEAT BELTS
ODI Number: 11348383
POWER TRAIN
ODI Number: 11350965
POWER TRAIN
ODI Number: 11350375
ELECTRICAL SYSTEM | SERVICE BRAKES | WHEELS
ODI Number: 11350316
ENGINE | POWER TRAIN
ODI Number: 11344189
SERVICE BRAKES
ODI Number: 11342080
SERVICE BRAKES
ODI Number: 11339757
UNKNOWN OR OTHER
ODI Number: 11339177
ENGINE | POWER TRAIN
ODI Number: 11328843
ELECTRICAL SYSTEM | FUEL/PROPULSION SYSTEM | POWER TRAIN
ODI Number: 11327463
SERVICE BRAKES | STEERING | SUSPENSION
ODI Number: 11323842
POWER TRAIN
ODI Number: 11324147
ENGINE | POWER TRAIN | SUSPENSION
ODI Number: 11322999
SUSPENSION
ODI Number: 11323496
TIRES
ODI Number: 11321913
STEERING | SUSPENSION:FRONT
ODI Number: 11317067
ELECTRONIC STABILITY CONTROL | POWER TRAIN
ODI Number: 11316685
SERVICE BRAKES
ODI Number: 11318179
VEHICLE SPEED CONTROL
ODI Number: 11317356
SERVICE BRAKES
ODI Number: 11317173
ELECTRICAL SYSTEM
ODI Number: 11311114
ENGINE
ODI Number: 11308136
ENGINE
ODI Number: 11306902
SUSPENSION
ODI Number: 11300054
STEERING
ODI Number: 11300549
SUSPENSION
ODI Number: 11300158
POWER TRAIN
ODI Number: 11299198
ELECTRONIC STABILITY CONTROL | STEERING
ODI Number: 11292405
ELECTRICAL SYSTEM | SERVICE BRAKES
ODI Number: 11296880
UNKNOWN OR OTHER | WHEELS
ODI Number: 11289332
VISIBILITY/WIPER
ODI Number: 11290220
POWER TRAIN
ODI Number: 11290047
POWER TRAIN
ODI Number: 11289771
POWER TRAIN | SUSPENSION
ODI Number: 11289151
UNKNOWN OR OTHER
ODI Number: 11289108
ENGINE
ODI Number: 11287705
STEERING
ODI Number: 11286383
STEERING
ODI Number: 11283096
VEHICLE SPEED CONTROL
ODI Number: 11282332
WHEELS
ODI Number: 11283025
SUSPENSION
ODI Number: 11280149
AIR BAGS
ODI Number: 11278291
POWER TRAIN
ODI Number: 11277538
POWER TRAIN
ODI Number: 11234381
POWER TRAIN
ODI Number: 11232015
STEERING | UNKNOWN OR OTHER | WHEELS
ODI Number: 11267204
SERVICE BRAKES
ODI Number: 11265325
SEATS
ODI Number: 11257458
UNKNOWN OR OTHER
ODI Number: 11255971
POWER TRAIN
ODI Number: 11255165
SEAT BELTS
ODI Number: 11208124
UNKNOWN OR OTHER
ODI Number: 11207382
STRUCTURE:BODY
ODI Number: 11207215
STEERING
ODI Number: 11195722
UNKNOWN OR OTHER
ODI Number: 11203106
POWER TRAIN
ODI Number: 11203358
UNKNOWN OR OTHER
ODI Number: 11194079
VISIBILITY/WIPER
ODI Number: 11195538
ENGINE | FUEL/PROPULSION SYSTEM | POWER TRAIN
ODI Number: 11195330
AIR BAGS | SEAT BELTS
ODI Number: 11195432
POWER TRAIN
ODI Number: 11193583
UNKNOWN OR OTHER
ODI Number: 11230175
SUSPENSION
ODI Number: 11221371
POWER TRAIN
ODI Number: 11222336
POWER TRAIN
ODI Number: 11228364
SUSPENSION
ODI Number: 11218854
SUSPENSION
ODI Number: 11220290
ELECTRICAL SYSTEM | ELECTRONIC STABILITY CONTROL
ODI Number: 11217652
POWER TRAIN
ODI Number: 11217651
SERVICE BRAKES
ODI Number: 11210007
FUEL/PROPULSION SYSTEM
ODI Number: 11173653
SERVICE BRAKES
ODI Number: 11170920
UNKNOWN OR OTHER
ODI Number: 11170863
SUSPENSION
ODI Number: 11163921
ELECTRICAL SYSTEM
ODI Number: 11162379
SERVICE BRAKES
ODI Number: 11162914
POWER TRAIN
ODI Number: 11133379
ELECTRICAL SYSTEM | ENGINE | FUEL/PROPULSION SYSTEM
ODI Number: 11132389
POWER TRAIN | SUSPENSION | UNKNOWN OR OTHER
ODI Number: 11123510
VEHICLE SPEED CONTROL | VISIBILITY:REARVIEW MIRRORS/DEVICES
ODI Number: 11129048
ELECTRICAL SYSTEM
ODI Number: 11120665
POWER TRAIN
ODI Number: 11122826
FUEL SYSTEM, GASOLINE
ODI Number: 11122530
AIR BAGS
ODI Number: 11093183
ELECTRICAL SYSTEM | SEAT BELTS | UNKNOWN OR OTHER
ODI Number: 11192361
POWER TRAIN | SUSPENSION | UNKNOWN OR OTHER
ODI Number: 11190995
VISIBILITY/WIPER
ODI Number: 11184275
ELECTRONIC STABILITY CONTROL | STRUCTURE:BODY | UNKNOWN OR OTHER
ODI Number: 11187176
STEERING
ODI Number: 11185826
POWER TRAIN | SUSPENSION | UNKNOWN OR OTHER
ODI Number: 11184355
FUEL/PROPULSION SYSTEM
ODI Number: 11181771
ELECTRICAL SYSTEM | ENGINE
ODI Number: 11182369
SERVICE BRAKES
ODI Number: 11180641
EXTERIOR LIGHTING
ODI Number: 11080191
UNKNOWN OR OTHER
ODI Number: 11071895
ELECTRONIC STABILITY CONTROL | POWER TRAIN | STEERING
ODI Number: 11073513
EXTERIOR LIGHTING
ODI Number: 11156753
POWER TRAIN
ODI Number: 11154419
STEERING
ODI Number: 11149683
POWER TRAIN
ODI Number: 11120124
STEERING | SUSPENSION
ODI Number: 11118409
Is the government investigating the safety of your vehicle? Find out here.

0 Investigations for 2018 CHEVROLET Silverado 1500

Date Opened Date Closed Component  
Manufacturers tell dealers about repairs for on your car. But they won’t tell you – unless you know to ask. Knowledge is power.

995 Service Alerts for 2018 CHEVROLET Silverado 1500

Date Description
July 18, 2022 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 26, 2022 100000 POWER TRAIN

This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 22, 2022 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This bulletin provides information on Warranty Administration ⿿ Required Operating Procedures – 8 Points (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 21, 2022 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 21, 2022 061700 ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 14, 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

Service Update. Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon (SES) light. Hardware including fuel injectors and exhaust gas recirculation (EGR) valves may have been used to fix thi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 24, 2022 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 27, 2022 060000 ENGINE AND ENGINE COOLING

This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 27, 2022 138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 27, 2022 350000 EQUIPMENT

This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 21, 2022 350000 EQUIPMENT

This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 28, 2022 350000 EQUIPMENT

This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 13, 2022 357400 EQUIPMENT:APPLIANCE:ELECTRIC WATER HEATER

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 29, 2022 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 22, 2022 134000 VISIBILITY:SUN/MOON ROOF ASSEMBLY

This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer’s sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 15, 2022 350000 EQUIPMENT

This service bulletin provides information for dealers/technicians on Handsfree Apple Iphone Call Static conditions equipped with IOB Radio.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 1, 2022 110000 ELECTRICAL SYSTEM

Engine Control Module Update.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 1, 2022 061610 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

Engine Control Module Update.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 12, 2022 060000 ENGINE AND ENGINE COOLING

This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 10, 2022 061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 10, 2022 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 10, 2022 061610 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 13, 2022 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 13, 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY

This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 13, 2022 082100 FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2022 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2022 350000 EQUIPMENT

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2022 350000 EQUIPMENT

This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2022 073600 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:MANIFOLD PRESSURE (MAP) SENSOR

This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 14, 2022 138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 15, 2022 060000 ENGINE AND ENGINE COOLING

This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 15, 2022 100000 POWER TRAIN

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 9, 2022 110000 ELECTRICAL SYSTEM

This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 27, 2022 280000 BACK OVER PREVENTION

This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 28, 2022 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 10, 2022 030000 BRAKES (PWS)

This service bulletin provides information for tire pressure monitoring (TPM) system concerns.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 27, 2022 090000 FUEL SYSTEM, OTHER

This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 31, 2022 160000 STRUCTURE

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 27, 2022 160000 STRUCTURE

This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 27, 2022 350000 EQUIPMENT

This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 5, 2022 350000 EQUIPMENT

This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 4, 2022 350000 EQUIPMENT

The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 4, 2022 070000 FUEL SYSTEM, GASOLINE

This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 4, 2022 080000 FUEL SYSTEM, DIESEL

This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 28, 2022 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 7, 2022 070000 FUEL SYSTEM, GASOLINE

This service bulletin provides information on availability of Diesel Fuel additives.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 7, 2022 080000 FUEL SYSTEM, DIESEL

This service bulletin provides information on availability of Diesel Fuel additives.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 4, 2022 199000 TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 6, 2022 200000 WHEELS

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 27, 2017 110000 ELECTRICAL SYSTEM

This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 27, 2017 350000 EQUIPMENT

This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 30, 2017 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 30, 2017 350000 EQUIPMENT

This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 12, 2022 117100 ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER

This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 1, 2022 010000 STEERING

This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 1, 2022 350000 EQUIPMENT

This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 25, 2022 354000 EQUIPMENT:MECHANICAL

This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 25, 2022 060000 ENGINE (PWS)

This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 27, 2022 210000 TRAILER HITCHES

This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 19, 2022 350000 EQUIPMENT

This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 19, 2022 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 21, 2022 070000 FUEL SYSTEM, GASOLINE

This technical provides a procedure to check for a possible faulty Reductant Injector and replace if the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 21, 2022 060000 ENGINE (PWS)

This technical provides a procedure to check for a possible faulty Reductant Injector and replace if the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 20, 2022 062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM

This technical bulletin provides a procedure for the technician to check and tighten the CAC plumbing if found loose.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 28, 2022 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2022 118520 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2022 061520 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN

This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 10, 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

This informational bulletin explains how to identify possible DEF contamination.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 12, 2022 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 10, 2022 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 21, 2022 092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 12, 2022 354730 EQUIPMENT:MECHANICAL:BOOM/CRANE/LADDER:HOSES/CABLES/RODS/GEARS/STRUT/CYLINDER

This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 7, 2022 061500 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 19, 2022 070000 FUEL SYSTEM, GASOLINE

This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 19, 2022 120000 EXTERIOR LIGHTING

This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2022 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 16, 2022 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 19, 2022 100000 POWER TRAIN

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 16, 2022 060000 ENGINE AND ENGINE COOLING

This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 16, 2022 070000 FUEL SYSTEM, GASOLINE

This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 16, 2022 080000 FUEL SYSTEM, DIESEL

This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 16, 2022 200000 WHEELS

This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 16, 2022 030000 BRAKES (PWS)

This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2022 060000 ENGINE (PWS)

This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 27, 2022 030000 BRAKES (PWS)

This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2022 060000 ENGINE AND ENGINE COOLING

Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 6, 2022 110600 ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS

This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 10, 2022 358260 EQUIPMENT:EMERGENCY:FIRE SUPRESSION:SMOKE/CO WARNING/ALARM

This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 6, 2022 070000 FUEL SYSTEM, GASOLINE

This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 6, 2022 080000 FUEL SYSTEM, DIESEL

This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 26, 2022 100000 POWER TRAIN

This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 26, 2022 140000 AIR BAGS

This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 18, 2022 100000 POWER TRAIN

This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 11, 2022 200000 WHEELS

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 12, 2022 060000 ENGINE AND ENGINE COOLING

This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 6, 2022 070000 FUEL SYSTEM, GASOLINE

This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 6, 2022 080000 FUEL SYSTEM, DIESEL

This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 6, 2022 980000 UNKNOWN OR OTHER

This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 6, 2022 061520 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN

This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 21, 2018 070000 FUEL SYSTEM, GASOLINE

Service Update (Population Expansion Message). Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon (SES) light. Hardware including fuel injectors and exhaust gas recirculation (EGR) valv

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 21, 2018 073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

Service Update (Population Expansion Message). Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon (SES) light. Hardware including fuel injectors and exhaust gas recirculation (EGR) valv

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 14, 2018 070000 FUEL SYSTEM, GASOLINE

Service Update. Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon (SES) light. Hardware including fuel injectors and exhaust gas recirculation (EGR) valves may have been used to fix thi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 14, 2018 073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

Service Update. Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon (SES) light. Hardware including fuel injectors and exhaust gas recirculation (EGR) valves may have been used to fix thi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 6, 2021 030000 SERVICE BRAKES, HYDRAULIC

This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 6, 2021 280000 BACK OVER PREVENTION

This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 6, 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 9, 2021 060000 ENGINE AND ENGINE COOLING

This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 9, 2021 062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 19, 2022 134000 VISIBILITY:SUN/MOON ROOF ASSEMBLY

This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer’s sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 19, 2022 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 13, 2022 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 13, 2022 162510 STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 2, 2022 353000 EQUIPMENT:ELECTRICAL

This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 2, 2022 060000 ENGINE (PWS)

This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 6, 2022 100000 POWER TRAIN

This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 28, 2022 100000 POWER TRAIN

This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 27, 2022 060000 ENGINE AND ENGINE COOLING

This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 7, 2022 190000 TIRES

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 7, 2022 200000 WHEELS

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 20, 2022 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 20, 2022 350000 EQUIPMENT

This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 13, 2022 350000 EQUIPMENT

This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 7, 2022 160000 STRUCTURE

This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 7, 2022 161100 STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 28, 2022 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 5, 2022 980000 UNKNOWN OR OTHER

This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 31, 2022 060000 ENGINE AND ENGINE COOLING

This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 25, 2022 200000 WHEELS

This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 25, 2022 350000 EQUIPMENT

This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 22, 2022 060000 ENGINE AND ENGINE COOLING

This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 22, 2022 070000 FUEL SYSTEM, GASOLINE

This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 30, 2022 350000 EQUIPMENT

This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 22, 2022 073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 22, 2022 354000 EQUIPMENT:MECHANICAL

This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 29, 2022 060000 ENGINE AND ENGINE COOLING

This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 30, 2022 980000 UNKNOWN OR OTHER

This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 22, 2022 060000 ENGINE AND ENGINE COOLING

This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 16, 2022 060000 ENGINE AND ENGINE COOLING

This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 16, 2022 070000 FUEL SYSTEM, GASOLINE

This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 3, 2022 100000 POWER TRAIN

This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated – DTC P0333 Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 3, 2022 110000 ELECTRICAL SYSTEM

This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated – DTC P0333 Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 3, 2022 054100 PARKING BRAKE:ELECTRICAL:CONTROL MODULE

This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated – DTC P0333 Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 10, 2022 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 10, 2022 160000 STRUCTURE

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 10, 2022 350000 EQUIPMENT

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 2, 2022 060000 ENGINE AND ENGINE COOLING

Information bulletin explains a possible coolant leak coming from the cylinder head bolt areas.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 3, 2022 190000 TIRES

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 3, 2022 200000 WHEELS

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 14, 2022 110000 ELECTRICAL SYSTEM

This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 7, 2018 110000 ELECTRICAL SYSTEM

Customer Satisfaction Program. Certain vehicles may have an incomplete or missing braze between the harness bulkhead support bracket and the fuel rail assembly. If the braze is incomplete the support bracket may detach from the fuel rail

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2022 346000 COMMUNICATION:MANUFACTURER TELEMATICS

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 14, 2022 060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 24, 2022 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnosti

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 24, 2022 140000 AIR BAGS

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnosti

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 7, 2018 070000 FUEL SYSTEM, GASOLINE

Customer Satisfaction Program. Certain vehicles may have an incomplete or missing braze between the harness bulkhead support bracket and the fuel rail assembly. If the braze is incomplete the support bracket may detach from the fuel rail

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 7, 2018 110000 ELECTRICAL SYSTEM

Customer Satisfaction Program. Certain vehicles may have an incomplete or missing braze between the harness bulkhead support bracket and the fuel rail assembly. If the braze is incomplete the support bracket may detach from the fuel rail

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 7, 2018 140000 AIR BAGS

Customer Satisfaction Program. Certain vehicles may have an incomplete or missing braze between the harness bulkhead support bracket and the fuel rail assembly. If the braze is incomplete the support bracket may detach from the fuel rail

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2022 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2022 280000 BACK OVER PREVENTION

This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2022 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 6, 2022 100000 POWER TRAIN

This Preliminary Information communication provides information to the technician about being to achieve pre-load when setting up the pinion bearing pre-loads during reassembly of the 9.5/9.76 inch rear axles. Technician will need to use pi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2021 100000 POWER TRAIN

This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2021 103210 POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY

This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 14, 2021 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 – P0308 and/or P050D

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 7, 2018 070000 FUEL SYSTEM, GASOLINE

Customer Satisfaction Program. Certain vehicles may have an incomplete or missing braze between the harness bulkhead support bracket and the fuel rail assembly. If the braze is incomplete the support bracket may detach from the fuel rail

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 7, 2018 350000 EQUIPMENT

Customer Satisfaction Program. Certain vehicles may have an incomplete or missing braze between the harness bulkhead support bracket and the fuel rail assembly. If the braze is incomplete the support bracket may detach from the fuel rail

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 8, 2021 060000 ENGINE AND ENGINE COOLING

This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 8, 2021 350000 EQUIPMENT

This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 8, 2021 190000 TIRES

This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 8, 2021 200000 WHEELS

This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 5, 2021 356230 EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 1, 2021 115000 ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box remo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 22, 2021 118000 ELECTRICAL SYSTEM:SOFTWARE

This technical bulletin provides a procedure to reset the DTCs and take the vehicle for a test drive to verify the codes do not return.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 22, 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

This technical bulletin provides a procedure to reset the DTCs and take the vehicle for a test drive to verify the codes do not return.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 5, 2021 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 5, 2021 350000 EQUIPMENT

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 5, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2021 103700 POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2021 080000 FUEL SYSTEM, DIESEL

This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2021 350000 EQUIPMENT

This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2021 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 23, 2021 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 23, 2021 100000 POWER TRAIN

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 22, 2021 350000 EQUIPMENT

This informational bulletin advises the tech of a possible normal condition when the vehicle creeps forward during start up conditions when the clutch packs are full of residual oil.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 29, 2021 350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of water leaking into bed area on trucks equipped with High Desert package.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 20, 2021 070000 FUEL SYSTEM, GASOLINE

This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 6, 2021 111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 6, 2021 060000 ENGINE (PWS)

This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 2, 2021 010000 STEERING

This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 2, 2021 100000 POWER TRAIN

This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 2, 2021 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 17, 2020 060000 ENGINE AND ENGINE COOLING

This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 17, 2020 350000 EQUIPMENT

This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 8, 2020 350000 EQUIPMENT

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 16, 2020 350000 EQUIPMENT

This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 29, 2021 021300 SUSPENSION:FRONT:SHOCK ABSORBER

This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 29, 2021 021400 SUSPENSION:FRONT:MACPHERSON STRUT

This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 29, 2021 350000 EQUIPMENT

This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 29, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 9, 2021 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. Technician will need to check the Regular Production Option Code fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 23, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 23, 2020 350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 23, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 23, 2020 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 21, 2021 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 16, 2020 350000 EQUIPMENT

This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 17, 2020 350000 EQUIPMENT

This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 17, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 8, 2020 350000 EQUIPMENT

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 8, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 26, 2021 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 24, 2021 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 23, 2020 350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 23, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 22, 2021 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a “Check Trailer Wiring” or “Service Trailer Brake System? message on the Driver Information Center when a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 22, 2021 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a “Check Trailer Wiring” or “Service Trailer Brake System? message on the Driver Information Center when a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 1, 2020 104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto M

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 1, 2020 350000 EQUIPMENT

This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto M

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 11, 2020 350000 EQUIPMENT

This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 1, 2020 118000 ELECTRICAL SYSTEM:SOFTWARE

This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 16, 2021 192000 TIRES:SIDEWALL

This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 15, 2021 353710 EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:CONTROLS

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 21, 2021 100000 POWER TRAIN

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 21, 2021 140000 AIR BAGS

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 21, 2021 118420 ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 22, 2021 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a “Check Trailer Wiring” or “Service Trailer Brake System? message on the Driver Information Center when a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 22, 2021 140000 AIR BAGS

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a “Check Trailer Wiring” or “Service Trailer Brake System? message on the Driver Information Center when a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 22, 2021 210000 TRAILER HITCHES

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a “Check Trailer Wiring” or “Service Trailer Brake System? message on the Driver Information Center when a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 3, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 28, 2021 350000 EQUIPMENT

This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 7, 2021 350000 EQUIPMENT

This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 7, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 15, 2021 102000 POWER TRAIN:MANUAL TRANSMISSION

This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 15, 2021 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 15, 2021 350000 EQUIPMENT

This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 21, 2021 350000 EQUIPMENT

This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 21, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 26, 2021 350000 EQUIPMENT

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 7, 2021 350000 EQUIPMENT

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 20, 2021 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Special Coverage. Certain vehicles equipped with a 6.6L diesel engine (RPO L5P), may have a condition that could cause the engine glow plugs to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illu

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 1, 2021 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Customer Satisfaction Program Closed Message sent.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 1, 2021 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Customer Satisfaction Program Closed Message sent.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 27, 2021 350000 EQUIPMENT

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 17, 2021 350000 EQUIPMENT

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 17, 2021 350000 EQUIPMENT

This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 20, 2021 070000 FUEL SYSTEM, GASOLINE

Special Coverage. Certain vehicles equipped with a 6.6L diesel engine (RPO L5P), may have a condition that could cause the engine glow plugs to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illu

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 20, 2021 080000 FUEL SYSTEM, DIESEL

Special Coverage. Certain vehicles equipped with a 6.6L diesel engine (RPO L5P), may have a condition that could cause the engine glow plugs to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illu

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 20, 2021 120000 EXTERIOR LIGHTING

Special Coverage. Certain vehicles equipped with a 6.6L diesel engine (RPO L5P), may have a condition that could cause the engine glow plugs to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illu

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 20, 2021 140000 AIR BAGS

Special Coverage. Certain vehicles equipped with a 6.6L diesel engine (RPO L5P), may have a condition that could cause the engine glow plugs to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illu

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 20, 2021 350000 EQUIPMENT

Special Coverage. Certain vehicles equipped with a 6.6L diesel engine (RPO L5P), may have a condition that could cause the engine glow plugs to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illu

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 1, 2021 031110 SERVICE BRAKES, ELECTRIC:SOFTWARE/PROGRAMMING

Customer Satisfaction Program Closed Message sent.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 3, 2021 350000 EQUIPMENT

This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 30, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides information on High Voltage Battery Module Replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 30, 2021 111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This service bulletin provides information on High Voltage Battery Module Replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 28, 2021 132000 VISIBILITY:GLASS, SIDE/REAR

This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 28, 2021 160000 STRUCTURE

This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 7, 2021 100000 POWER TRAIN

This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 15, 2021 280000 BACK OVER PREVENTION

This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 21, 2021 120000 EXTERIOR LIGHTING

This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 25, 2021 071410 FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER

This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 17, 2021 100000 POWER TRAIN

This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 3, 2021 060000 ENGINE (PWS)

This service bulletin provides diagnostic information for a customer concern of engine vibration.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 16, 2021 130000 VISIBILITY

This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 3, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 3, 2021 060000 ENGINE (PWS)

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 17, 2021 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 25, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 6, 2021 080000 FUEL SYSTEM, DIESEL

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 6, 2021 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 6, 2021 350000 EQUIPMENT

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 3, 2021 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 6, 2021 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 21, 2021 350000 EQUIPMENT

This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 3, 2021 060000 ENGINE AND ENGINE COOLING

This service bulletin provides diagnostic information for a customer concern of engine vibration.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 6, 2021 190000 TIRES

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 3, 2021 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 3, 2021 060000 ENGINE AND ENGINE COOLING

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 21, 2021 350000 EQUIPMENT

This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 30, 2020 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 30, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 14, 2021 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnosti

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 25, 2021 020000 SUSPENSION

This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 25, 2021 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 12, 2021 160000 STRUCTURE

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 12, 2021 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 7, 2021 020000 SUSPENSION

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 9, 2021 020000 SUSPENSION

This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 6, 2021 350000 EQUIPMENT

This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 22, 2021 060000 ENGINE (PWS)

This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 6, 2021 350000 EQUIPMENT

This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 23, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box remo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 23, 2021 350000 EQUIPMENT

This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 26, 2021 357400 EQUIPMENT:APPLIANCE:ELECTRIC WATER HEATER

This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 30, 2021 100000 POWER TRAIN

This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 16, 2021 353000 EQUIPMENT:ELECTRICAL

This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RP

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 8, 2021 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 7, 2021 350000 EQUIPMENT

This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 13, 2021 350000 EQUIPMENT

This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 7, 2021 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to replace the fuel tank and internal parts if found expanding and contacting the drive shaft.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 1, 2021 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 12, 2021 200000 WHEELS

This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2021 350000 EQUIPMENT

This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2021 110000 ELECTRICAL SYSTEM

This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 4, 2021 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 11, 2021 060000 ENGINE AND ENGINE COOLING

This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global War

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 11, 2021 100000 POWER TRAIN

This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global War

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 30, 2021 350000 EQUIPMENT

This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 10, 2021 160000 STRUCTURE

This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 29, 2021 350000 EQUIPMENT

This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 11, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin provides information on proper use of floor mats.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 17, 2021 350000 EQUIPMENT

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 1, 2021 200000 WHEELS

This informational bulletin provides information on Wheel Balancer Mounting Instructions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 8, 2021 010000 STEERING

This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 1, 2017 102000 POWER TRAIN:MANUAL TRANSMISSION

Condition Certain 2018 model year Chevrolet Silverado and GMC Sierra vehicles, equipped with the manual shift transfer case (RPO NQG), may have a condition in which the transfer case shift linkage rod bolt torque is less than specified. Ov

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 1, 2017 350000 EQUIPMENT

Condition Certain 2018 model year Chevrolet Silverado and GMC Sierra vehicles, equipped with the manual shift transfer case (RPO NQG), may have a condition in which the transfer case shift linkage rod bolt torque is less than specified. Ov

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 1, 2017 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)

Condition Certain 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with 6.6L diesel engine (RPO L5P) and Allison transmission (RPO MW7), may have a condition in which the automatic transmission has rough upshif

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 1, 2017 118000 ELECTRICAL SYSTEM:SOFTWARE

Condition Certain 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with 6.6L diesel engine (RPO L5P) and Allison transmission (RPO MW7), may have a condition in which the automatic transmission has rough upshif

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 30, 2021 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 26, 2021 134000 VISIBILITY:SUN/MOON ROOF ASSEMBLY

This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer’s sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 25, 2021 110000 ELECTRICAL SYSTEM

This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 22, 2021 061560 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR

This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 30, 2021 070000 FUEL SYSTEM, GASOLINE

This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

Changing to Camper Outside Rearview Mirrors Some customers may request to have camper style mirrors installed on their vehicle. The new electrical architecture for the Silverado and Sierra has made swapping mirrors a more involved proce

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 021300 SUSPENSION:FRONT:SHOCK ABSORBER

Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to un

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 021400 SUSPENSION:FRONT:MACPHERSON STRUT

Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to un

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 022400 SUSPENSION:REAR:SHOCK ABSORBER

Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to un

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 350000 EQUIPMENT

Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Additionally, no relat

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY

Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Additionally, no relat

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Additionally, no relat

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 350000 EQUIPMENT

Essential Tools that Include Consumable Parts (U.S. Only)

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY

Essential Tools that Include Consumable Parts (U.S. Only)

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Access

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 350000 EQUIPMENT

Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Access

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY

Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Access

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

IPC Odometer Programming Method Quick Reference Guide

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2017 117110 ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT

IPC Odometer Programming Method Quick Reference Guide

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 11, 2020 190000 TIRES

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 29, 2021 103200 POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 29, 2021 160000 STRUCTURE

This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 22, 2021 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This technical bulletin provides a procedure to reset the DTCs and take the vehicle for a test drive to verify the codes do not return.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 23, 2020 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 23, 2020 350000 EQUIPMENT

The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 5, 2021 138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2021 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 11, 2021 070000 FUEL SYSTEM, GASOLINE

This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 22, 2021 095200 FUEL SYSTEM, OTHER:KINETIC:CLUTCH

This informational bulletin advises the tech of a possible normal condition when the vehicle creeps forward during start up conditions when the clutch packs are full of residual oil.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 29, 2021 160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of water leaking into bed area on trucks equipped with High Desert package.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 22, 2021 060000 ENGINE (PWS)

This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 17, 2020 280000 BACK OVER PREVENTION

This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 8, 2020 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 1, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This bulletin provides information on Warranty Administration ? Required Operating Procedures – 8 Points (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 16, 2020 061500 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 11, 2019 041100 SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL/VALVE

N182202780 01 – Special Coverage. Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance. The condition is more prevalent at low s

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 23, 2020 100000 POWER TRAIN

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 14, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 14, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 14, 2020 280000 BACK OVER PREVENTION

This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2020 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2020 280100 BACK OVER PREVENTION:SOFTWARE

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2020 284100 BACK OVER PREVENTION:DISPLAY FUNCTION

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 30, 2020 350000 EQUIPMENT

This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 30, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 12, 2020 110000 ELECTRICAL SYSTEM

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 12, 2020 350000 EQUIPMENT

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 4, 2020 190000 TIRES

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 3, 2020 100000 POWER TRAIN

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 1, 2020 060000 ENGINE AND ENGINE COOLING

This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto M

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 23, 2020 350000 EQUIPMENT

This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 8, 2018 357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER

This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 11, 2020 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 1, 2020 100000 POWER TRAIN

This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2020 031000 SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

Special Coverage Adjustment – In some circumstances, some 2014-2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may have a condition where customers may experien

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2020 060000 ENGINE (PWS)

Special Coverage Adjustment – In some circumstances, some 2014-2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may have a condition where customers may experien

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2020 070000 FUEL SYSTEM, GASOLINE

Special Coverage Adjustment – In some circumstances, some 2014-2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may have a condition where customers may experien

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 15, 2020 103700 POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 15, 2020 350000 EQUIPMENT

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 28, 2020 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 28, 2020 350000 EQUIPMENT

This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 28, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 140000 AIR BAGS

This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 350000 EQUIPMENT

This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 11, 2020 200000 WHEELS

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 23, 2020 060000 ENGINE (PWS)

This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 22, 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

This informational bulletin provides information on higher than expected oil consumption.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 22, 2020 080000 FUEL SYSTEM, DIESEL

This informational bulletin provides information on higher than expected oil consumption.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 23, 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 23, 2020 080000 FUEL SYSTEM, DIESEL

This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 23, 2020 350000 EQUIPMENT

This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 30, 2020 080000 FUEL SYSTEM, DIESEL

This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 30, 2020 350000 EQUIPMENT

This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 30, 2020 070000 FUEL SYSTEM, GASOLINE

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 30, 2020 280000 BACK OVER PREVENTION

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 19, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 1, 2020 350000 EQUIPMENT

This bulletin provides information on Warranty Administration ? Required Operating Procedures – 8 Points (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 9, 2020 350000 EQUIPMENT

This warranty administration bulletin provides information on Warranty Administration – Customer Concern Not Duplicated (CCND) Labor Operation Numbers.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 16, 2020 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 14, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 14, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 14, 2020 280000 BACK OVER PREVENTION

This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2020 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2020 357400 EQUIPMENT:APPLIANCE:ELECTRIC WATER HEATER

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 8, 2018 357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER

This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 21, 2020 080000 FUEL SYSTEM, DIESEL

This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 17, 2020 060000 ENGINE AND ENGINE COOLING

This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 8, 2020 060000 ENGINE AND ENGINE COOLING

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 23, 2020 110000 ELECTRICAL SYSTEM

The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 19, 2020 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 19, 2020 090000 FUEL SYSTEM, OTHER

This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 23, 2020 070000 FUEL SYSTEM, GASOLINE

This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 23, 2020 062400 ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

This Informational Bulletin provides information on availability of Diesel Fuel additives.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 080000 FUEL SYSTEM, DIESEL

This Informational Bulletin provides information on availability of Diesel Fuel additives.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 26, 2020 350000 EQUIPMENT

This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 26, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 26, 2020 060000 ENGINE (PWS)

This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 16, 2020 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 16, 2020 350000 EQUIPMENT

This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 16, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2020 200000 WHEELS

This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2020 350000 EQUIPMENT

This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 073100 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 350000 EQUIPMENT

This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 19, 2020 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 19, 2020 350000 EQUIPMENT

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 19, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 020000 SUSPENSION

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 16, 2020 060000 ENGINE (PWS)

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 23, 2020 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 4, 2020 190000 TIRES

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 25, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 6, 2020 132000 VISIBILITY:GLASS, SIDE/REAR

This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 6, 2020 132100 VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS

This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 3, 2020 103700 POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 30, 2020 060000 ENGINE AND ENGINE COOLING

This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 6, 2020 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 6, 2020 350000 EQUIPMENT

This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 1, 2020 050000 PARKING BRAKE

This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto M

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 23, 2020 350000 EQUIPMENT

This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 6, 2020 110000 ELECTRICAL SYSTEM

This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated – DTC P0333 Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 6, 2020 120000 EXTERIOR LIGHTING

This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated – DTC P0333 Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 6, 2020 160000 STRUCTURE

Thins informational bulletin provides information on Paint-less Dent Repair Process.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 6, 2020 350000 EQUIPMENT

Thins informational bulletin provides information on Paint-less Dent Repair Process.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 12, 2020 280000 BACK OVER PREVENTION

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 11, 2020 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 27, 2020 110000 ELECTRICAL SYSTEM

This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 27, 2020 350000 EQUIPMENT

This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 27, 2020 080000 FUEL SYSTEM, DIESEL

This informational bulletin explains how to identify possible DEF contamination.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 27, 2020 350000 EQUIPMENT

This informational bulletin explains how to identify possible DEF contamination.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 2, 2020 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 2, 2020 350000 EQUIPMENT

This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 1, 2020 100000 POWER TRAIN

This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 28, 2020 100000 POWER TRAIN

This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 28, 2020 350000 EQUIPMENT

This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 28, 2020 060000 ENGINE (PWS)

This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 27, 2020 034520 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 27, 2020 045200 SERVICE BRAKES, AIR:DISC:PADS

This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 13, 2020 080000 FUEL SYSTEM, DIESEL

This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 13, 2020 082100 FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 19, 2020 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 19, 2020 060000 ENGINE (PWS)

This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 20, 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 20, 2020 080000 FUEL SYSTEM, DIESEL

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 8, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gea

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 8, 2020 103930 POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS

This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gea

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 5, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole auth

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 11, 2020 070000 FUEL SYSTEM, GASOLINE

This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 3, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 2, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 2, 2020 220000 SEATS

This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2020 060000 ENGINE (PWS)

This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2020 280000 BACK OVER PREVENTION

This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 17, 2020 060000 ENGINE AND ENGINE COOLING

This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 27, 2020 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 27, 2020 060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 24, 2020 020000 SUSPENSION

This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Technician will

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 24, 2020 160000 STRUCTURE

This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Technician will

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 29, 2020 114000 ELECTRICAL SYSTEM:WIRING

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent “Check Trailer Wiring” or “Service Trailer Brake” message on the Driver Information

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 29, 2020 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent “Check Trailer Wiring” or “Service Trailer Brake” message on the Driver Information

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 15, 2020 350000 EQUIPMENT

This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 25, 2020 350000 EQUIPMENT

This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 25, 2020 061400 ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 31, 2020 353000 EQUIPMENT:ELECTRICAL

This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 4, 2020 190000 TIRES

This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 23, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 23, 2020 350000 EQUIPMENT

This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 26, 2020 030000 BRAKES (PWS)

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 8, 2020 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 22, 2020 355100 EQUIPMENT:OTHER:LABELS

This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole auth

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 22, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole auth

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 2, 2020 350000 EQUIPMENT

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 18, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 6, 2020 350000 EQUIPMENT

This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 22, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to check and tighten the B+ at the starter for proper torque.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 23, 2020 100000 POWER TRAIN

This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global War

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 26, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 1, 2020 100000 POWER TRAIN

This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 28, 2020 110000 ELECTRICAL SYSTEM

This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 28, 2020 350000 EQUIPMENT

This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 26, 2020 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 9, 2020 350000 EQUIPMENT

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 9, 2020 103200 POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 18, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to correct customer concerns of Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmissio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 25, 2020 110000 ELECTRICAL SYSTEM

Customer Satisfaction Program – Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. This

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 25, 2020 138200 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW

Customer Satisfaction Program – Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. This

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 12, 2020 110000 ELECTRICAL SYSTEM

Emission – General Motors has decided to conduct a voluntary emissions recall involving certain 2016-2019 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the ma

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 12, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

Emission – General Motors has decided to conduct a voluntary emissions recall involving certain 2016-2019 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the ma

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 29, 2020 162000 STRUCTURE:BODY

This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 29, 2020 350000 EQUIPMENT

This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 23, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a “Check Trailer Wiring” or “Service Trailer Brake System? message on the Driver Information Center when a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 22, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the dealer technician that if after replacing the valve body on an 8L45 or 8L90 transmission the vehicle will not move the valve body may be missing a plug and retainer bolt. Technician’s are ins

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 24, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 22, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the dealer an issue where a customer may have incorrectly received a notification advising of a starting syetem issue with their veihcle. Dealer advised to inspect for a legitimate issue, if one

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 20, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 27, 2020 138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 13, 2020 062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM

This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 13, 2020 350000 EQUIPMENT

This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 13, 2020 060000 ENGINE (PWS)

This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 25, 2020 110000 ELECTRICAL SYSTEM

This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 12, 2020 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 12, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 12, 2020 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 12, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 12, 2020 030000 BRAKES (PWS)

This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 12, 2020 110000 ELECTRICAL SYSTEM

This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 5, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 29, 2020 190000 TIRES

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 29, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 30, 2020 100000 POWER TRAIN

This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 30, 2020 060000 ENGINE (PWS)

This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 5, 2020 073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 5, 2020 060000 ENGINE (PWS)

This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 4, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to program the ECM to correct the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 4, 2020 060000 ENGINE (PWS)

This technical bulletin provides a procedure to program the ECM to correct the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 4, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to program the ECM to correct the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 4, 2020 060000 ENGINE (PWS)

This technical bulletin provides a procedure to program the ECM to correct the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 4, 2020 060000 ENGINE AND ENGINE COOLING

This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 20, 2020 062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

This technical bulletin provides a procedure to replace the cooling fan if found contacting the shroud causing the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 3, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to correct customer concerns of Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmissio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 3, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 28, 2020 010000 STEERING

This technical bulletin provides repair information to correct a customer concern of Action Required Steering Assist is Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 28, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Action Required Steering Assist is Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 29, 2020 030000 BRAKES (PWS)

This technical bulletin provides a procedure for pad replacement due to on premature and/or uneven brake pad wear.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 4, 2020 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 4, 2020 350000 EQUIPMENT

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 4, 2020 060000 ENGINE (PWS)

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 10, 2020 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 8, 2020 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 8, 2020 350000 EQUIPMENT

This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 8, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 2, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 21, 2020 060000 ENGINE AND ENGINE COOLING

This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 17, 2020 070000 FUEL SYSTEM, GASOLINE

THis informational bulletin advises the tech of a possible plugged fuel breather vent and how to add a vent breather line to correct the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 14, 2020 190000 TIRES

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 28, 2020 060000 ENGINE (PWS)

This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 8, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. Technician will need to check the Regular Production Option Code fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 8, 2020 160000 STRUCTURE

This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. Technician will need to check the Regular Production Option Code fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 7, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 23, 2020 350000 EQUIPMENT

This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 23, 2020 071420 FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:HOSES/VALVES/SENSORS

This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 9, 2020 100000 POWER TRAIN

This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 10, 2020 090000 FUEL SYSTEM, OTHER

This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 10, 2020 350000 EQUIPMENT

This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 10, 2020 060000 ENGINE (PWS)

This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 22, 2020 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to program the ECM if found the cause of the customers complaint.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 22, 2020 118000 ELECTRICAL SYSTEM:SOFTWARE

This technical bulletin provides a procedure to program the ECM if found the cause of the customers complaint.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 3, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 3, 2020 060000 ENGINE (PWS)

This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 23, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 7, 2020 350000 EQUIPMENT

This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 5, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 5, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 9, 2020 350000 EQUIPMENT

This technical bulletin advised the technician to take the vehicle for a test drive to validate a possible normal TCC performance while under heavy specific driving maneuvers.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 20, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a “Check Trailer Wiring” or “Service Trailer Brake System? message on the Driver Information Center when a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 20, 2020 031100 SERVICE BRAKES, ELECTRIC

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a “Check Trailer Wiring” or “Service Trailer Brake System? message on the Driver Information Center when a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 20, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that may have a Service Trailer Brake message in the Driver Information Center. Also the vehicle will have a Diagnostic Trouble Code U0415 set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 20, 2020 031100 SERVICE BRAKES, ELECTRIC

This Preliminary Information communication provides information to the technician about vehicles that may have a Service Trailer Brake message in the Driver Information Center. Also the vehicle will have a Diagnostic Trouble Code U0415 set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 2, 2020 100000 POWER TRAIN

This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2020 190000 TIRES

This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2020 192000 TIRES:SIDEWALL

This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 10, 2020 160000 STRUCTURE

This bulletin provides information to dealers regarding transportation damage repair claim submission requirements.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 10, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This bulletin provides information to dealers regarding transportation damage repair claim submission requirements.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 11, 2019 041100 SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL

N182202780 01 – Special Coverage. Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance. The condition is more prevalent at low s

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 11, 2019 060000 ENGINE AND ENGINE COOLING

N182202780 01 – Special Coverage. Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance. The condition is more prevalent at low s

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 28, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a “Check Trailer Wiring” or “Service Trailer Brake System? message on the Driver Information Center when a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2020 020000 SUSPENSION

This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 27, 2020 350000 EQUIPMENT

This informational bulletin includes information on Interior Cleaning – Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer – Product Availability.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 27, 2020 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This informational bulletin includes information on Interior Cleaning – Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer – Product Availability.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 21, 2020 060000 ENGINE (PWS)

This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 – P0308 and/or P050D

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 28, 2020 010000 STEERING

This Preliminary information communicates a power steering control module calibration error that does not allow its DTC’s to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to reprog

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 28, 2020 100000 POWER TRAIN

This Preliminary information communicates a power steering control module calibration error that does not allow its DTC’s to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to reprog

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 28, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates a power steering control module calibration error that does not allow its DTC’s to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to reprog

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 2, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 2, 2020 353000 EQUIPMENT:ELECTRICAL

This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 6, 2020 350000 EQUIPMENT

This informational bulletin includes information on Interior Cleaning – Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer – Product Availability.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 6, 2020 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This informational bulletin includes information on Interior Cleaning – Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer – Product Availability.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 4, 2020 100000 POWER TRAIN

This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 4, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 30, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 4, 2020 060000 ENGINE (PWS)

This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 27, 2020 060000 ENGINE (PWS)

This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 20, 2020 110000 ELECTRICAL SYSTEM

This informational bulletin provides information for the IPC odometer programming method quick reference guide.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 14, 2020 350000 EQUIPMENT

This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 8, 2020 100000 POWER TRAIN

This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Technician can update the Transmission Control Module if working

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 8, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Technician can update the Transmission Control Module if working

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 22, 2020 160000 STRUCTURE

This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 22, 2020 350000 EQUIPMENT

This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 23, 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 28, 2020 350000 EQUIPMENT

This informational bulletin includes information on Interior Cleaning – Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer – Product Availability.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 28, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin includes information on Interior Cleaning – Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer – Product Availability.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 28, 2020 353000 EQUIPMENT:ELECTRICAL

This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. The Driver Information Cente

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 27, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 27, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 27, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 27, 2020 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 22, 2020 350000 EQUIPMENT

This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 9, 2020 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 3, 2020 350000 EQUIPMENT

This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 3, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 8, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 – P0308 and/or P050D

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 27, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 28, 2020 100000 POWER TRAIN

This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retentio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 28, 2020 060000 ENGINE (PWS)

This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retentio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 14, 2020 251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnosti

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 14, 2020 162000 STRUCTURE:BODY

This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 14, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 27, 2020 100000 POWER TRAIN

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 15, 2020 110000 ELECTRICAL SYSTEM

This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory bo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 15, 2020 350000 EQUIPMENT

This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory bo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 15, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory bo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 21, 2020 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 21, 2020 350000 EQUIPMENT

This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 14, 2020 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 270000 LANE DEPARTURE

This Preliminary Information communication provides information to the technician about vehicles that show a “Take Steering” message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 353100 EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 046000 SERVICE BRAKES, AIR:ANTILOCK

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 200000 WHEELS

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 10, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or his

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 350000 EQUIPMENT

This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 120000 LIGHTING (PWS)

This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 28, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 28, 2020 120000 EXTERIOR LIGHTING

This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 28, 2020 121000 EXTERIOR LIGHTING:HEADLIGHTS

This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 17, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 17, 2020 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 26, 2019 350000 EQUIPMENT

This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 26, 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 10, 2020 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 19, 2019 210000 TRAILER HITCHES

This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Tech

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 17, 2020 100000 POWER TRAIN

This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 17, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the inf

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 14, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 9, 2019 030000 BRAKES (PWS)

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 7, 2019 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 5, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 190000 TIRES

This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel B

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 200000 WHEELS

This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel B

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 350000 EQUIPMENT

This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel B

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 12, 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel B

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 18, 2019 060000 ENGINE (PWS)

This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 26, 2019 100000 POWER TRAIN

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 26, 2019 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 24, 2019 100000 POWER TRAIN

This engineering information bulletin ends the need for information from the field on an Intermittent No Forward and/or No Reverse While Driving condition. If this condition is encountered, refer to SI for further diagnosis.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 8, 2019 980000 UNKNOWN OR OTHER

This preliminary bulletin provides a procedure to reprogram more than 8 keys for the PPV.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 13, 2019 100000 POWER TRAIN

Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 25, 2019 350000 EQUIPMENT

This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 25, 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 27, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This bulletin provides information on Warranty Administration ? Required Operating Procedures – 8 Points (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 2, 2020 073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 2, 2020 350000 EQUIPMENT

This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 2, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 26, 2020 190000 TIRES

This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 26, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 14, 2020 200000 WHEELS

This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 14, 2020 350000 EQUIPMENT

This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 31, 2020 110000 ELECTRICAL SYSTEM

This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 31, 2020 133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 31, 2020 110000 ELECTRICAL SYSTEM

This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 31, 2020 133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 14, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 14, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 23, 2020 350000 EQUIPMENT

This preliminary information bulletin provides a procedure for installing a aftermarket tool or utility box.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 12, 2019 070000 FUEL SYSTEM, GASOLINE

This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 23, 2020 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 28, 2020 060000 ENGINE (PWS)

This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away to correct a crank/No Start condition.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 14, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Phone Charging Cycles On and Off When Connected to the Single Port USB Hub.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 17, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 14, 2019 100000 POWER TRAIN

This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retentio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 7, 2020 350000 EQUIPMENT

This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 7, 2020 060000 ENGINE (PWS)

This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 7, 2020 100000 POWER TRAIN

Customer Satisfaction Program – Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. This

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 7, 2020 110000 ELECTRICAL SYSTEM

Customer Satisfaction Program – Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. This

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 28, 2020 350000 EQUIPMENT

This diagnostic tip provides additional information on how to diagnose a possible valve, lifter or camshaft issue.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 28, 2020 060000 ENGINE (PWS)

This diagnostic tip provides additional information on how to diagnose a possible valve, lifter or camshaft issue.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 14, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 14, 2020 010000 STEERING

This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 14, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 8, 2020 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 8, 2020 071100 FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 7, 2020 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with exces

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 7, 2020 060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with exces

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 14, 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 27, 2020 220000 SEATS

Customer Satisfaction Program – Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. The front passenger seat may be

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 27, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

Customer Satisfaction Program – Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. The front passenger seat may be

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 13, 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Emission – General Motors has decided to conduct a voluntary emissions recall involving certain 2018 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the malfunc

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 13, 2020 080000 FUEL SYSTEM, DIESEL

Emission – General Motors has decided to conduct a voluntary emissions recall involving certain 2018 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the malfunc

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 13, 2020 110000 ELECTRICAL SYSTEM

Emission – General Motors has decided to conduct a voluntary emissions recall involving certain 2018 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the malfunc

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 12, 2020 080000 FUEL SYSTEM, DIESEL

Emission – General Motors has decided to conduct a voluntary emissions recall involving certain 2018-2019 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the ma

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 12, 2020 110000 ELECTRICAL SYSTEM

Emission – General Motors has decided to conduct a voluntary emissions recall involving certain 2018-2019 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the ma

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 12, 2020 060000 ENGINE (PWS)

Emission – General Motors has decided to conduct a voluntary emissions recall involving certain 2018-2019 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the ma

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 12, 2020 160000 STRUCTURE

This technical bulletin provides a procedure to add washers on the lower column mounting bracket locations due to the shaft laying on the metal support at the bottom of the column.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 29, 2020 350000 EQUIPMENT

This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 29, 2019 100000 POWER TRAIN

This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 25, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information cent

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 9, 2019 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 22, 2019 350000 EQUIPMENT

This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 27, 2020 200000 WHEELS

This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 27, 2020 350000 EQUIPMENT

This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 30, 2019 350000 EQUIPMENT

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 25, 2019 070000 FUEL SYSTEM, GASOLINE

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 10, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 9, 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides information on key code security and information on GM key code look up applications.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 2, 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 15, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician on how the radio display gets the air ambient temperature. On 1500 series trucks and all sport utility vehicle with regular production option code IO3 radio t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 19, 2020 020000 SUSPENSION

This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system m

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 19, 2020 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system m

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 19, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system m

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 19, 2020 030000 BRAKES (PWS)

This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system m

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 14, 2019 060000 ENGINE (PWS)

This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 21, 2020 350000 EQUIPMENT

This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ret

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 19, 2019 160000 STRUCTURE

This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 19, 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY

This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 28, 2020 162000 STRUCTURE:BODY

This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 28, 2020 350000 EQUIPMENT

This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 28, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 14, 2019 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 17, 2019 080000 FUEL SYSTEM, DIESEL

This informational bulletin explains how to identify possible DEF contamination.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 14, 2019 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 1, 2019 060000 ENGINE AND ENGINE COOLING

This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 8, 2019 100000 POWER TRAIN

This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 15, 2019 070000 FUEL SYSTEM, GASOLINE

This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 15, 2019 060000 ENGINE (PWS)

This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 2, 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 29, 2019 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have Diagnostic Trouble Code P06DD or no or low oil pressure. Technician will replace timing chain tensioner g

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 20, 2019 110000 ELECTRICAL SYSTEM

This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 8, 2019 010000 STEERING

This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information cent

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 8, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information cent

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 8, 2019 130000 VISIBILITY

This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information cent

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 12, 2019 030000 SERVICE BRAKES, HYDRAULIC

N182206730 – Customer Satisfaction Program. Certain vehicles equipped with special service package (RPO 5W4) and certain 2015 ? 2019 Chevrolet Tahoe vehicles equipped with police package (RPO 9C1) or special service package (RPO 5W4) may h

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

August 12, 2019 033100 SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

N182206730 – Customer Satisfaction Program. Certain vehicles equipped with special service package (RPO 5W4) and certain 2015 ? 2019 Chevrolet Tahoe vehicles equipped with police package (RPO 9C1) or special service package (RPO 5W4) may h

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 19, 2019 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 26, 2019 100000 POWER TRAIN

This informational bulletin provides information on Click or Tick Noise on 3-4 Shift that it should be considered a normal characteristic.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 17, 2019 070000 FUEL SYSTEM, GASOLINE

This Preliminary Information communication provides information to the technician for a vehicle setting both a P2635 and P018B diagnostic trouble codes. The following steps may help to determine if this is caused by a fuel pressure sensor n

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 14, 2019 020000 SUSPENSION

This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communicati

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 13, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 4, 2019 100000 POWER TRAIN

This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option C

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 3, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 8, 2019 060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician wil

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 20, 2019 020000 SUSPENSION

This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. If published Service Information diagnostics do not lead to a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 2, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 2, 2019 060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 23, 2019 134000 VISIBILITY:SUN/MOON ROOF ASSEMBLY

This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer’s sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 8, 2019 160000 STRUCTURE

This Preliminary information communicates an issues with water/ice building up on the door sill plate and advising dealership to inspect and reseal the door water deflector.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 8, 2019 162300 STRUCTURE:BODY:DOOR

This Preliminary information communicates an issues with water/ice building up on the door sill plate and advising dealership to inspect and reseal the door water deflector.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 15, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent “Check Trailer Wiring” or “Service Trailer Brake” message on the Driver Information

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 15, 2019 030000 BRAKES (PWS)

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent “Check Trailer Wiring” or “Service Trailer Brake” message on the Driver Information

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 12, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 12, 2019 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 11, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 11, 2019 162600 STRUCTURE:BODY:HATCHBACK/LIFTGATE

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 10, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician wil

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 10, 2019 060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician wil

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 24, 2019 030000 BRAKES (PWS)

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 28, 2019 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 9, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician wil

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 9, 2019 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)

This Preliminary Information communication provides information to the technician about vehicles that have “Service 4 Wheel Drive” message on the Driver Information Center. Provides the technician with additional information to ensure that

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 9, 2019 118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary Information communication provides information to the technician about vehicles that have “Service 4 Wheel Drive” message on the Driver Information Center. Provides the technician with additional information to ensure that

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 6, 2017 350000 EQUIPMENT

N172118130 Stop Delivery. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. Until further instructions are received, involved vehi

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 1, 2017 350000 EQUIPMENT

N172118130 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. We are investigating an issue relating to the accuracy of the New Car Assessment Program (NCAP) ratings on the Monroney label f

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 1, 2017 355100 EQUIPMENT:OTHER:LABELS

N172118130 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. We are investigating an issue relating to the accuracy of the New Car Assessment Program (NCAP) ratings on the Monroney label f

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 26, 2019 350000 EQUIPMENT

The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 26, 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY

The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 19, 2019 104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

This technical bulletin provides a procedure to change the diff fluid if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 19, 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides a procedure to change the diff fluid if found the cause of the customers concern.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 25, 2019 022140 SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

This technical bulletin provides a procedure for re-torque the lead springs.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 25, 2019 022142 SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET

This technical bulletin provides a procedure for re-torque the lead springs.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 6, 2019 080000 FUEL SYSTEM, DIESEL

This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 11, 2019 110000 ELECTRICAL SYSTEM

This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 11, 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 26, 2019 010000 STEERING

This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 13, 2017 280000 BACK OVER PREVENTION

This Technical bulletin provides information on new software to correct the rear camera display being too bright.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 13, 2017 284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

This Technical bulletin provides information on new software to correct the rear camera display being too bright.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 6, 2017 350000 EQUIPMENT

This informational bulletin explains to the technician how to validate software calibrations have been tampered with by means of using aftermarket mods.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 6, 2017 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

This informational bulletin provides information on a Service Emission System Message and/or a Malfunction Indicator Lamp illuminated. This usually occurs after recently filling the DEF tank with the ignition in the on position due to some

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 20, 2017 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

This informational bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these conditions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 20, 2017 080000 FUEL SYSTEM, DIESEL

This informational bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these conditions.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 13, 2019 021240 SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY

This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 26, 2019 110000 ELECTRICAL SYSTEM

This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 26, 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY

This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 15, 2019 220000 SEATS

This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 26, 2019 070000 FUEL SYSTEM, GASOLINE

This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 26, 2019 080000 FUEL SYSTEM, DIESEL

This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 21, 2017 100000 POWER TRAIN

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 8, 2019 350000 EQUIPMENT

This warranty administration bulletin provide policy information to cover GM’s policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 27, 2017 070000 FUEL SYSTEM, GASOLINE

This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 19, 2017 110000 ELECTRICAL SYSTEM

This informational bulletin provides information for programming the low speed LAN module due to the mirrors memory position reverse tilt position is inoperative.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 22, 2019 353000 EQUIPMENT:ELECTRICAL

This informational bulletin provides information for the IPC odometer programming method quick reference guide.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 22, 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides information for the IPC odometer programming method quick reference guide.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 22, 2019 118000 ELECTRICAL SYSTEM:SOFTWARE

This informational bulletin provides information for the IPC odometer programming method quick reference guide.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 26, 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 29, 2017 355100 EQUIPMENT:OTHER:LABELS

17357 and 17366 – Service update. General Motors has released four field actions related to a condition in which certain vehicles may have an incorrect torsion bar built into the front seat belt retractors. Vehicles in dealer new inventory

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 22, 2017 150000 SEAT BELTS

17366 Service Update. The driver?s and front passenger?s seat belt retractors in certain vehicles may have been built with different torsion bars than were used in testing the vehicles. Dealers will replace seat belt retractors for driver a

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 19, 2017 350000 EQUIPMENT

17366 Stop Delivery Population Revision. On September 14, 2017, GM ordered a stop delivery of certain vehicles. Some vehicles have been removed from this stop delivery order because they were repaired at the plant, or had been sold prior t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 14, 2017 150000 SEAT BELTS

17366 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. The GM field action number is 17366. The driver?s and front passenger?s seat belt retractors in these vehicles may have been built

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 14, 2017 151000 SEAT BELTS:FRONT

17366 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. The GM field action number is 17366. The driver?s and front passenger?s seat belt retractors in these vehicles may have been built

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 14, 2017 350000 EQUIPMENT

N172118130 Stop Delivery population revision. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added and some vehicles have been removed from this stop delivery or

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 12, 2017 350000 EQUIPMENT

N172118130 Stop Delivery population revision. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. The revised list provides the Ve

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 2, 2019 350000 EQUIPMENT

This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 5, 2017 080000 FUEL SYSTEM, DIESEL

This Informational Bulletin provides information on availability of Diesel Fuel additives.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 15, 2019 070000 FUEL SYSTEM, GASOLINE

This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 28, 2017 118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic Sy

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 6, 2019 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 8, 2018 060000 ENGINE (PWS)

This informational bulletin provides information on characteristics of the new engine versus the old engine.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 27, 2017 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicatesA vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm.Abroken rocker arms that could result in the valve dropping to the cylinder, causing a catastr

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 1, 2018 350000 EQUIPMENT

This engineering informational bulletin is requesting information pictures of windshield, steering wheel and/or door trim panel for product issues covered under warranty.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 7, 2018 350000 EQUIPMENT

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of A/C Not Cool Due to No Pressure Build.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 7, 2018 160000 STRUCTURE

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Missing/Wrong Wheel Trim Shipped with New Vehicle.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 7, 2018 200000 WHEELS

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Missing/Wrong Wheel Trim Shipped with New Vehicle.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 26, 2019 350000 EQUIPMENT

This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 24, 2019 350000 EQUIPMENT

This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. If snow and/or ice is present on the active grille air shutters, take pictures and submit through the Field R

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2019 070000 FUEL SYSTEM, GASOLINE

This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2019 114000 ELECTRICAL SYSTEM:WIRING

This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 31, 2019 060000 ENGINE AND ENGINE COOLING

This engineering informational bulletin is requesting information for a picture of debris on the bore of a throttle body.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 17, 2019 350000 EQUIPMENT

This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 24, 2019 120000 EXTERIOR LIGHTING

This informational bulletin explains normal operation of HID bulbs when driving over road irregularities.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 13, 2018 350000 EQUIPMENT

This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2018 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2018 350000 EQUIPMENT

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 3, 2018 130000 VISIBILITY

This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key fob range.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 3, 2018 275100 LANE DEPARTURE: SENSING SYSTEM: CAMERA

This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key fob range.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 31, 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 17, 2018 020000 SUSPENSION

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 24, 2019 353000 EQUIPMENT:ELECTRICAL

This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2018 120000 EXTERIOR LIGHTING

This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory bo

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 22, 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 11, 2018 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2018 118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary information communicates to the dealer technicians that DTCs P0046, P113B and P206B may be caused by a software anamoly. The anamoly should be corrected by updating the engine control module (ECM).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 13, 2018 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 18, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Tech

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 18, 2019 210000 TRAILER HITCHES

This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Tech

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 18, 2019 010000 STEERING

This Preliminary Information communication provides information to the technician about vehicles that show a “Take Steering” message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 18, 2019 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 – P0308 and/or P050D

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 17, 2018 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. Dealer should reference the latest version of General Motors Upfitter Integ

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 15, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 17, 2018 162500 STRUCTURE:BODY:TAILGATE

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 17, 2018 060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 8, 2019 118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Pair the iPhone to the system then enter the Bluetooth settings menu, sele

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 13, 2018 030000 BRAKES (PWS)

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 21, 2018 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Technician will need to press the OnStar button and verify they have an active account and that t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 21, 2018 353000 EQUIPMENT:ELECTRICAL

This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Technician will need to press the OnStar button and verify they have an active account and that t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 21, 2018 353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Technician will need to press the OnStar button and verify they have an active account and that t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 11, 2018 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if vehicles apply within the settings.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 8, 2019 111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 8, 2019 350000 EQUIPMENT

This warranty nonadministrative bulletin provides information on the proper use of the labor operation 0600014.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 4, 2019 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system m

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 1, 2019 110000 ELECTRICAL SYSTEM

This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 7, 2019 010000 STEERING

N182190820 – Customer Satisfaction Program. Certain vehicles, may have a condition where the power steering belt may slip due to tooth wear-out or poor belt tooth-to-gear tooth fit. Power steering assist may be reduced or lost intermittent

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 5, 2019 350000 EQUIPMENT

This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 13, 2019 162200 STRUCTURE:BODY:BUMPERS

This Preliminary Information communication advises the technician when painting the bumper on a Work Truck use the paint code is 598F that is Anthracite color.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 13, 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY

This Preliminary Information communication advises the technician when painting the bumper on a Work Truck use the paint code is 598F that is Anthracite color.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 14, 2018 110000 ELECTRICAL SYSTEM

This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 27, 2018 060000 ENGINE (PWS)

This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Technician will need to program the Instrument Panel Cluster using Service Pr

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 15, 2018 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. The haptic seat motor has a pig

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 15, 2019 190000 TIRES

This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Cover

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 26, 2018 160000 STRUCTURE

This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 26, 2018 162500 STRUCTURE:BODY:TAILGATE

This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 26, 2018 350000 EQUIPMENT

This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2018 123000 EXTERIOR LIGHTING:TAIL LIGHTS

This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2018 160000 STRUCTURE

This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 10, 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY

This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 13, 2018 138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Technician will need to inspect for voids in the body sealer on

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 13, 2018 160000 STRUCTURE

This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Technician will need to inspect for voids in the body sealer on

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 7, 2019 350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of hearing a pickup box ornamentation bar (Sports Bar) wind noise or rattle.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 30, 2018 220000 SEATS

This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Technician will need to remove the seat bottom tr

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 30, 2018 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Technician will need to remove the seat bottom tr

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 24, 2018 050000 PARKING BRAKE

This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. For vehicles equipped with Ul

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 24, 2018 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. For vehicles equipped with Ul

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 11, 2018 260000 FORWARD COLLISION AVOIDANCE

This Preliminary information communicatesa “Forward Collision System Reduced” message displayed on the DIC when the Forward Automatic Braking has been set to the “Alert” setting. This is normal when theFAB has been set to “Alert”.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 22, 2018 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a “Check Trailer Wiring” or “Service Trailer Brake System” message on the Driver Information Center

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 12, 2018 020000 SUSPENSION

This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Technician will

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 12, 2018 160000 STRUCTURE

This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Technician will

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 12, 2018 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates. A vehicle may have a concern ofDTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 12, 2018 010000 STEERING

This Preliminary information communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers foot well area when turning. It explains how to properly lubricate the column shaft boot where the shaft intera

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 1, 2018 110000 ELECTRICAL SYSTEM

This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 1, 2018 357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER

This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

May 1, 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY

This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 19, 2018 100000 POWER TRAIN

This Preliminary information communicatesSES lamp, setting DTC P0333 when shifting the Transmissionfrom park.DTC P0333 cansetdue to voltage from the Transmission park/neutral signal 1circuit bleeding into the knock sensor system circuits.If

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 19, 2018 102000 POWER TRAIN:MANUAL TRANSMISSION

This Preliminary information communicatesSES lamp, setting DTC P0333 when shifting the Transmissionfrom park.DTC P0333 cansetdue to voltage from the Transmission park/neutral signal 1circuit bleeding into the knock sensor system circuits.If

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

September 14, 2018 020000 SUSPENSION

This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

June 6, 2018 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates. A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as wel

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 4, 2017 353000 EQUIPMENT:ELECTRICAL

This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 17, 2017 130000 VISIBILITY

This informational bulletin provides information for assisting the customer in setting the position for the memory mirror and the reverse tilt

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 15, 2017 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides policy information with the field action courtesy transportation policy.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 15, 2018 121100 EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES

This technical bulletin provides repair information to correct a customer concern of a headlamp bezel loose or falling off.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 2, 2018 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to Add 1 quart of coolant to the upper chamber of the surge tank in order to bring the level up to the bottom of the fill neck to correct a condition of the coolant surge tank appears low and/or

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 2, 2018 080000 FUEL SYSTEM, DIESEL

This technical bulletin provides a procedure to Add 1 quart of coolant to the upper chamber of the surge tank in order to bring the level up to the bottom of the fill neck to correct a condition of the coolant surge tank appears low and/or

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 28, 2018 060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (L83), 5.3L (L86), 6.2L (LV3) engines are equipped with a t

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 27, 2018 282000 BACK OVER PREVENTION: WARNINGS

This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and /or the body control module. For vehicles equipped with U

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 26, 2018 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to replace the fuel tank and internal parts if found expanding and contacting the drive shaft.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 26, 2018 091200 FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

This technical bulletin provides a procedure to replace the fuel tank and internal parts if found expanding and contacting the drive shaft.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 14, 2017 190000 TIRES

This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 10, 2017 110000 ELECTRICAL SYSTEM

This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. If this concern i

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2017 100000 POWER TRAIN

This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 7, 2017 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 13, 2017 010000 STEERING

This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 26, 2018 203000 WHEELS:LUGS/NUTS/BOLTS

This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22″ Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ) or production

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 22, 2018 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Ca

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 22, 2017 284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or pixelated

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 5, 2017 111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This informational bulletin provides information on approved warranty part numbers for original equipment batteries

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 12, 2017 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 1, 2017 110000 ELECTRICAL SYSTEM

This informational bulletin provides information on approved warranty part numbers for original equipment batteries

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 11, 2017 010000 STEERING

This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 7, 2017 110000 ELECTRICAL SYSTEM

This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 7, 2017 350000 EQUIPMENT

This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 28, 2017 353000 EQUIPMENT:ELECTRICAL

This informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 22, 2017 118000 ELECTRICAL SYSTEM:SOFTWARE

This Technical bulletin provides information on new software to correct the rear camera display being too bright.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 9, 2017 200000 WHEELS

This informational bulletin provides information for 22″ accessory wheel/tire usages.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 12, 2017 100000 POWER TRAIN

This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 22, 2017 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 30, 2017 162300 STRUCTURE:BODY:DOOR

This technical bulletin provides repair information to correct a customer concern of hearing excessive wind noise from front side door glass area.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 20, 2017 350000 EQUIPMENT

This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C – and/or water leak on headliner at sun visor or overhead console areas, possible

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 20, 2017 353000 EQUIPMENT:ELECTRICAL

This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C – and/or water leak on headliner at sun visor or overhead console areas, possible

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 8, 2017 100000 POWER TRAIN

This informational bulletin provides information for the technicians to refer to SI for additional diagnostics to correct anomaly in the ECM and TCM.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 7, 2017 210000 TRAILER HITCHES

This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 17, 2017 350000 EQUIPMENT

This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 3, 2017 010000 STEERING

This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 17, 2017 010000 STEERING

This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 29, 2017 020000 SUSPENSION

This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 26, 2018 110000 ELECTRICAL SYSTEM

This informational bulletin provides information to the customer on the radio display “info pages” being blank and to make sure to select in the “active info pages” menu.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 26, 2018 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This informational bulletin provides information to the customer on the radio display “info pages” being blank and to make sure to select in the “active info pages” menu.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2018 114000 ELECTRICAL SYSTEM:WIRING

This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2018 133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 9, 2018 162300 STRUCTURE:BODY:DOOR

This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 23, 2018 010000 STEERING

This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to re

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

April 23, 2018 110000 ELECTRICAL SYSTEM

This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to re

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

March 7, 2018 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 8, 2019 210000 TRAILER HITCHES

This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 31, 2019 132000 VISIBILITY:GLASS, SIDE/REAR

This technical bulletin provides repair information to correct a customer concern of hearing excessive wind noise from front side door glass area.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

February 7, 2018 060000 ENGINE (PWS)

This Preliminary information communicatesP0016 setting after internal engire repair. The engine Base timing is not being set correctly. The information in this PI will be helpful in setting the timing in the vehicle.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 27, 2017 350000 EQUIPMENT

This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

October 27, 2017 353000 EQUIPMENT:ELECTRICAL

This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 3, 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY

This Preliminary Information communication provides information to the technician about vehicles that the engine may run hot with the snow plow installed. Do not exceed 64 kilometers per hour / 40 miles per hour with a snow plow mounted to

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 25, 2017 118000 ELECTRICAL SYSTEM:SOFTWARE

This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 17, 2017 200000 WHEELS

This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 18, 2017 353000 EQUIPMENT:ELECTRICAL

This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4).

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 15, 2017 100000 POWER TRAIN

This Preliminary information communicates to the dealer technician how to diagnose for a possible damaged or broken pushrod.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 15, 2017 080000 FUEL SYSTEM, DIESEL

This Preliminary Information communication advises the technician that the 6.6L Diesel Engine exchange program has ended.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 15, 2017 060000 ENGINE (PWS)

This Preliminary Information communication advises the technician that the 6.6L Diesel Engine exchange program has ended.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 20, 2017 100000 POWER TRAIN

This Preliminary information communicates to the dealer technician how to diagnose for a possible damaged or broken pushrod.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 20, 2017 125000 EXTERIOR LIGHTING:BRAKE LIGHTS

This Preliminary Information communication provides information to the technician about vehicles that have installed an aftermarket bed cap or topper may question where they can wire in the center high mounted stop light for the cap or topp

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 20, 2017 350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Code P026A. The owner's manual advises not to drive above 45 MPH

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 19, 2017 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicatesA vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm.Abroken rocker arms that could result in the valve dropping to the cylinder, causing a catastr

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 19, 2017 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 18, 2017 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 11, 2017 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 26, 2018 110000 ELECTRICAL SYSTEM

This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 31, 2018 110000 ELECTRICAL SYSTEM

This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the A15, Starter Generator (MGU). The dealer technician is advised to call the GMTechnical AssistanceCente

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 18, 2018 280000 BACK OVER PREVENTION

This Preliminary Information communication provides information to the technician about vehicles that have a Harsh Shift 1/2 and 2/3 and Sputter Applying Throttle Between 0 and 30%, Rough idle. Technician may find Diagnostic Trouble Codes P

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

January 24, 2018 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Ca

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

July 29, 2019 100000 POWER TRAIN

This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 21, 2017 162800 STRUCTURE:BODY:HOOD

This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 21, 2017 162810 STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS

This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

December 21, 2017 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

This Preliminary Information communication provides information to the technician about vehicles that have Trailer connection not recognized or “Check Trailer wiring” or “Service Trailer Brake” message. Technician ma

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 7, 2017 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odomete

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 7, 2017 010000 STEERING

This Preliminary information communicates a power steering control module calibration error that does not allow its DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to re

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 3, 2017 100000 POWER TRAIN

This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with exces

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 3, 2017 060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with exces

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 3, 2017 118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary information communicates to the dealer technicians to refer to campaign 17337 for calibration updates for P20EE.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 21, 2017 160000 STRUCTURE

This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 20, 2017 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 20, 2017 118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 20, 2017 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 20, 2017 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 30, 2017 220000 SEATS

This Preliminary Information communication advises the technician that vehicles with front seat Regular Production Option Codes A52, AZ3, or B3F may comment about low treble, or excessive bass from the front door speakers. This is a normal

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 21, 2017 190000 TIRES

This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 14, 2017 110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 14, 2017 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 13, 2017 100000 POWER TRAIN

This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option C

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 13, 2017 060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option C

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

November 7, 2017 353000 EQUIPMENT:ELECTRICAL

This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position.

Click to view a copy of the full alert on NHTSA's website (select "Manufacturer Communication")

2018 CHEVROLET Silverado 1500

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