2021 GMC Sierra 1500

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

4 Recalls for 2021 GMC Sierra 1500

Recall Date Component Summary
December 16, 2021 TIRES:TEMPORARY/EMERGENCY SPARE TIRE

General Motors (GM) is recalling certain 2019-2021 GMC Sierra 1500 and Silverado 1500 vehicles equipped with certain accessory road tires and a 17″ spare tire. The 17″ spare tire provided with the vehicle is not compatible for use with the accessory wheels, which can cause the anti-lock brake system (ABS) to not function properly under certain conditions.

Remedy:

Dealers will provide a new 17″ spare tire and wheel assembly that is compatible with the accessory wheels, free of charge. Dealers will also apply a new spare tire information label, and provide owners with an owner’s manual insert clarifying which spare tire to use with the accessory road tires and with the 17″ original tires. Owner notification letters are expected to be mailed January 31, 2022. Owners may contact GM customer service at 1-800-462-8782 or GMC customer service at 1-800-462-8782. GM’s number for this recall is N212346510.

December 17, 2020 SEAT BELTS | SEAT BELTS:CRITICAL FASTENERS

General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The seat belt brackets may not be secured to the seat frame in the front-row center seating position.

Remedy:

GM will notify owners, and dealers will inspect left-side and right-side front-row center seat-belt bracket attachments and reassemble it correctly as necessary, free of charge. The recall began January 26, 2021. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020. GM’s number for this recall is N202314670.

December 23, 2020 SEAT BELTS | SEAT BELTS:CRITICAL FASTENERS

General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.

Remedy:

GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM’s number for this recall is N202322230.

November 5, 2020 TIRES

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were overcured.

Remedy:

GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental, free of charge. The recall began December 17, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM’s number for this recall is N202319030.

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

0 Complaints sent to the Center for Auto Safety for 2021 GMC Sierra 1500

skip to NHTSA complaints

Date Component  

10 Complaints submitted to NHTSA for 2021 GMC Sierra 1500

skip to CAS complaints

Date Component  
ENGINE
ODI Number: 11396939
ENGINE | FUEL/PROPULSION SYSTEM
ODI Number: 11396897
LANE DEPARTURE: ASSIST | LANE DEPARTURE: WARNING | STEERING
ODI Number: 11388759
AIR BAGS | ELECTRICAL SYSTEM | ENGINE
ODI Number: 11408633
ELECTRICAL SYSTEM | ENGINE
ODI Number: 11413684
STRUCTURE:BODY | VISIBILITY/WIPER
ODI Number: 11415136
POWER TRAIN
ODI Number: 11405103
SEATS
ODI Number: 11378245
ELECTRICAL SYSTEM | SERVICE BRAKES | STEERING
ODI Number: 11378394
ENGINE
ODI Number: 11383585
Is the government investigating the safety of your vehicle? Find out here.

0 Investigations for 2021 GMC Sierra 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.

633 Service Alerts for 2021 GMC Sierra 1500

Date Description
June 2, 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or ⿿Service Emissions Syste

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

June 2, 2022 100000 POWER TRAIN

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or ⿿Service Emissions Syste

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

June 2, 2022 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or ⿿Service Emissions Syste

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 2, 2022 162000 STRUCTURE:BODY

This engineering informational bulletin is requesting information from technicians to take pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off and contact the engineer listed.

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

June 2, 2022 350000 EQUIPMENT

This engineering informational bulletin is requesting information from technicians to take pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off and contact the engineer listed.

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 19, 2022 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 Se

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

May 19, 2022 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 Se

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")

May 19, 2022 100000 POWER TRAIN

This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing ⿿D⿝ on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8

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 28, 2022 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.

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 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 13, 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

This informational bulletin explains a normal condition for sludge to form in the oil cap when equipped with DEF system.

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 20, 2022 060000 ENGINE AND ENGINE COOLING

The informational bulletin explains the normal noises that are emitted from the engine once the engine is turned off.

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

January 31, 2022 061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

This informational bulletin advises the tech of a possible loose bolts at the turbo actuator and to replace turbo if the bolts have been found loose.

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

May 25, 2022 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides repair information to correct a customer concern of 2020 – 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3.

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

May 25, 2022 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL

This technical bulletin provides repair information to correct a customer concern of 2020 – 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3.

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

May 27, 2022 060000 ENGINE AND ENGINE COOLING

This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.

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

May 27, 2022 110000 ELECTRICAL SYSTEM

This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.

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

December 17, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.

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

December 17, 2021 060000 ENGINE (PWS)

This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.

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

May 24, 2022 060000 ENGINE AND ENGINE COOLING

THis informational bulletin advises the tech not to replace the exhaust system if they smell plastic or rubber.

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

May 24, 2022 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

THis informational bulletin advises the tech not to replace the exhaust system if they smell plastic or rubber.

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 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 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")

May 24, 2022 110000 ELECTRICAL SYSTEM

This informational bulletin provides information on Information on Common Customer Trailer Side Faults.

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

May 24, 2022 114400 ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

This informational bulletin provides information on Information on Common Customer Trailer Side Faults.

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

May 24, 2022 120000 EXTERIOR LIGHTING

This informational bulletin provides information on Information on Common Customer Trailer Side Faults.

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 18, 2022 160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.

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")

May 19, 2022 060000 ENGINE AND ENGINE COOLING

This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

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

December 17, 2021 280000 BACK OVER PREVENTION

This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.

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 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 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 11, 2022 060000 ENGINE AND ENGINE COOLING

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards Service Emission System and/or DEF Level Low message on driver information center (DI

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

May 11, 2022 080000 FUEL SYSTEM, DIESEL

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards Service Emission System and/or DEF Level Low message on driver information center (DI

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

May 13, 2022 100000 POWER TRAIN

The technical bulletin provides a procedure to lube the yoke and caps if found the cause of the noise from the propshaft area.

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

May 9, 2022 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.

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

May 9, 2022 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.

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")

May 9, 2022 160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.

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")

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")

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")

December 16, 2021 120000 EXTERIOR LIGHTING

This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.

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

December 16, 2021 140000 AIR BAGS

This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.

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

December 16, 2021 270000 LANE DEPARTURE

This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.

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

May 5, 2022 073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 Se

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

May 5, 2022 060000 ENGINE (PWS)

This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 Se

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

May 3, 2022 118000 ELECTRICAL SYSTEM:SOFTWARE

This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC).

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

May 3, 2022 264100 FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA

This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC).

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")

April 5, 2022 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.

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

April 5, 2022 060000 ENGINE (PWS)

This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.

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 26, 2022 060000 ENGINE AND ENGINE COOLING

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Oil Leaking from Front of Engine.

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

April 27, 2022 350000 EQUIPMENT

This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values.

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

April 27, 2022 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values.

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 22, 2022 350000 EQUIPMENT

This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues.

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

April 14, 2022 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated with DTC P06DD, P2B60, P26BB, P1098 Set.

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

April 14, 2022 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated with DTC P06DD, P2B60, P26BB, P1098 Set.

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 11, 2022 110000 ELECTRICAL SYSTEM

This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.

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 118520 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

This Preliminary information communicates and issue with the park assist off message or unwanted/false parking assist alerts and provide diagnostics tip for dealership to inspect the parking assist sensor/bezel mounting in the front and rea

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

March 7, 2022 138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.

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

March 2, 2022 110000 ELECTRICAL SYSTEM

This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus.

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

March 2, 2022 350000 EQUIPMENT

This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the concern.

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

March 2, 2022 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary information communicates to dealer of a possible concern with a display and the actions needed to correct the 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 31, 2022 010000 STEERING

This engineering information (EI) closure ends the need for further information from the field in regards to a Popping Noise Heard On Hard Turns and/or Going Over Speed Bumps, Creaking Noise While Turning Wheel Left and/or Right, Clicking N

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

March 31, 2022 020000 SUSPENSION

This engineering information (EI) closure ends the need for further information from the field in regards to a Popping Noise Heard On Hard Turns and/or Going Over Speed Bumps, Creaking Noise While Turning Wheel Left and/or Right, Clicking N

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

March 30, 2022 060000 ENGINE AND ENGINE COOLING

This engineering information (EI) closure ends the need for further information from the field in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Sli

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

March 30, 2022 100000 POWER TRAIN

This engineering information (EI) closure ends the need for further information from the field in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Sli

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

March 25, 2022 110000 ELECTRICAL SYSTEM

This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse.

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 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")

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 31, 2022 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.

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

March 31, 2022 160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.

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

March 31, 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.

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

March 28, 2022 100000 POWER TRAIN

The technical bulletin provides a procedure to lube the yoke and caps if found the cause of the noise from the propshaft area.

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 21, 2022 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.

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

March 21, 2022 100000 POWER TRAIN

This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.

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

March 30, 2022 060000 ENGINE AND ENGINE COOLING

This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.

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 23, 2022 060000 ENGINE AND ENGINE COOLING

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the lower oil pan seal area.

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 9, 2022 350000 EQUIPMENT

This technical bulletin provides a procedure to install a new tonneau cover front seal.

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

June 7, 2021 350000 EQUIPMENT

This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.

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

March 3, 2022 100000 POWER TRAIN

This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.

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")

March 1, 2022 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC).

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

March 1, 2022 260000 FORWARD COLLISION AVOIDANCE

This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC).

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

March 1, 2022 270000 LANE DEPARTURE

This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message on the Driver Information Center (DIC).

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")

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 140000 AIR BAGS

This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues.

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

February 14, 2022 210000 TRAILER HITCHES

This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues.

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")

February 25, 2022 061700 ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

This Preliminary information communicates to technicians to modify the camshaft housing cover insulator by removing the stand off identified in the attached pictures.

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

January 27, 2022 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates to dealership technicians to perform a sweep of the coolant flow control valve and test the circuits before replacing the Engine Coolant Flow Control Valve, and to assist engineering in root causing

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

January 26, 2022 138600 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.

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

January 14, 2022 130000 VISIBILITY

This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

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

January 14, 2022 280000 BACK OVER PREVENTION

This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

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")

December 13, 2021 120000 EXTERIOR LIGHTING

This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set.

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

December 13, 2021 118000 ELECTRICAL SYSTEM:SOFTWARE

This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set.

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

December 13, 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set.

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")

January 26, 2022 280000 BACK OVER PREVENTION

This Preliminary information communicates to the dealers information related to a hot idle tick noise from the engine. Testing to isolate the noise to the upper engine / valve train and repair recommendations related to valve train componen

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 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")

February 8, 2021 350000 EQUIPMENT

Stop Delivery Order for Upcoming Customer Satisfaction Program.

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

December 16, 2021 062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM

THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.

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

December 16, 2021 980000 UNKNOWN OR OTHER

THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.

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 6, 2021 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup o

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

December 14, 2021 120000 EXTERIOR LIGHTING

This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3075 Set.

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

December 14, 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3075 Set.

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")

November 19, 2021 060000 ENGINE AND ENGINE COOLING

This service bulletin provides information on Engine Oil Consumption Guidelines.

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

November 19, 2021 350000 EQUIPMENT

This service bulletin provides information on Engine Oil Consumption Guidelines.

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

November 19, 2021 060000 ENGINE (PWS)

This service bulletin provides information on Engine Oil Consumption Guidelines.

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

November 19, 2021 110000 ELECTRICAL SYSTEM

TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern.

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

November 19, 2021 350000 EQUIPMENT

TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern.

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

November 19, 2021 060000 ENGINE AND ENGINE COOLING

This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe.

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

November 19, 2021 350000 EQUIPMENT

This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe.

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

November 19, 2021 060000 ENGINE (PWS)

This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe.

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

November 19, 2021 980000 UNKNOWN OR OTHER

This service bulletin provides information on Engine Oil Consumption Guidelines.

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

November 19, 2021 060000 ENGINE AND ENGINE COOLING

TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern.

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

November 19, 2021 070000 FUEL SYSTEM, GASOLINE

TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern.

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

November 19, 2021 980000 UNKNOWN OR OTHER

This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe.

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

November 17, 2021 350000 EQUIPMENT

This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation – Flashing Diamond – Spot – or UFO like image on Rear View Camera Display.

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

November 17, 2021 280000 BACK OVER PREVENTION

This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation – Flashing Diamond – Spot – or UFO like image on Rear View Camera Display.

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

November 8, 2021 061000 ENGINE AND ENGINE COOLING:ENGINE

This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.

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

November 8, 2021 114000 ELECTRICAL SYSTEM:WIRING

This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.

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 18, 2021 062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.

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

November 18, 2021 350000 EQUIPMENT

THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.

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

November 12, 2021 062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM

This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3075 Set.

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

November 12, 2021 350000 EQUIPMENT

This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3075 Set.

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

November 12, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3075 Set.

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 20, 2021 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern.

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

January 21, 2021 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector.

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

January 13, 2021 080000 FUEL SYSTEM, DIESEL

This informational bulletin provides a test procedure, for a possible faulty DEF Heater.

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

January 13, 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

This informational bulletin provides a test procedure, for a possible faulty DEF Heater.

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 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")

December 22, 2020 060000 ENGINE (PWS)

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.

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

December 23, 2020 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC).

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")

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 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 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")

November 2, 2021 060000 ENGINE (PWS)

This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without R

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")

December 16, 2020 350000 EQUIPMENT

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

December 16, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

December 16, 2020 061400 ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

December 1, 2020 350000 EQUIPMENT

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

January 20, 2021 110000 ELECTRICAL SYSTEM

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or Fluctu

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

January 20, 2021 350000 EQUIPMENT

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or Fluctu

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

January 20, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or Fluctu

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

January 11, 2021 060000 ENGINE AND ENGINE COOLING

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a

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

January 11, 2021 350000 EQUIPMENT

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a

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

January 11, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a

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 14, 2021 350000 EQUIPMENT

This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device.

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

December 22, 2020 162000 STRUCTURE:BODY

This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.

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

December 23, 2020 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This service bulletin provides V152 radio software update information to correct customer concerns of various software issues.

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

December 23, 2020 118000 ELECTRICAL SYSTEM:SOFTWARE

This service bulletin provides V152 radio software update information to correct customer concerns of various software issues.

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

December 17, 2020 357500 EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.

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 22, 2020 060000 ENGINE (PWS)

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.

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

December 23, 2020 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC).

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 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")

August 20, 2021 060000 ENGINE (PWS)

This Preliminary information communicates to the dealers information related to a hot idle tick noise from the engine. Testing to isolate the noise to the upper engine / valve train and repair recommendations related to valve train componen

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

August 19, 2021 110000 ELECTRICAL SYSTEM

This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.

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

August 19, 2021 350000 EQUIPMENT

This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.

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

August 16, 2021 110000 ELECTRICAL SYSTEM

This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor.

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

August 16, 2021 060000 ENGINE (PWS)

This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor.

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

August 9, 2021 110000 ELECTRICAL SYSTEM

This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.

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

August 6, 2021 060000 ENGINE (PWS)

This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor.

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

December 23, 2020 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This service bulletin provides V152 radio software update information to correct customer concerns of various software issues.

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

December 23, 2020 118000 ELECTRICAL SYSTEM:SOFTWARE

This service bulletin provides V152 radio software update information to correct customer concerns of various software issues.

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

December 17, 2020 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.

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

December 14, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps and Remote Personalization Features in the Radio.

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 22, 2020 350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.

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

December 16, 2020 350000 EQUIPMENT

This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.

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

December 16, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.

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

June 18, 2021 110000 ELECTRICAL SYSTEM

This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.

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

June 18, 2021 200000 WHEELS

This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for debris on the cam postion sensor and to check for a bent target wheel on the camshaft.

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

June 18, 2021 280000 BACK OVER PREVENTION

This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for debris on the cam postion sensor and to check for a bent target wheel on the camshaft.

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")

December 16, 2020 350000 EQUIPMENT

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

December 16, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

December 1, 2020 350000 EQUIPMENT

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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 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")

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 1, 2021 104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

Service Update. On certain vehicles, the thrust washer was not installed on the transfer case reduction carrier assembly. Dealers are to replace the transfer case.

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

July 1, 2021 350000 EQUIPMENT

Service Update. On certain vehicles, the thrust washer was not installed on the transfer case reduction carrier assembly. Dealers are to replace the transfer case.

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

June 23, 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles equipped with a performance air intake system (LPO RVK or 5W7). The Engine Control Module (ECM) may not have been programmed wit

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

June 1, 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

Service Update. Certain trucks may falsely set fuel injector diagnostic trouble codes P026C and/or P20EE. Dealers will reprogram the engine control module (ECM).

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

June 24, 2021 350000 EQUIPMENT

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a rubbing type noise heard while turning the steering wheel.

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

June 24, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a rubbing type noise heard while turning the steering wheel.

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

June 21, 2021 350000 EQUIPMENT

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the trailer light message and/or trailer disconnect message on the infotainm

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

June 21, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the trailer light message and/or trailer disconnect message on the infotainm

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

June 21, 2021 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the trailer light message and/or trailer disconnect message on the infotainm

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

June 18, 2021 350000 EQUIPMENT

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), Transmiss

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

June 18, 2021 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), Transmiss

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

June 3, 2021 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System M

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

June 3, 2021 350000 EQUIPMENT

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System M

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

June 3, 2021 117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System M

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

June 2, 2021 060000 ENGINE AND ENGINE COOLING

This service bulletin provides a procedure to correct a condition of a Service Emission System and/or Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), DTC P208B Set.

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 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 16, 2021 350000 EQUIPMENT

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a

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

June 16, 2021 060000 ENGINE (PWS)

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a

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

June 16, 2021 112100 ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR:INTEGRATED STARTER(OTHER THAN PROPULSION)

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a

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

June 3, 2021 105000 POWER TRAIN:DRIVELINE

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center.

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

June 3, 2021 350000 EQUIPMENT

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center.

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

June 3, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center.

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 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 29, 2021 114000 ELECTRICAL SYSTEM:WIRING

This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.

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

June 21, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3055 Set.

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

June 21, 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3055 Set.

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")

June 7, 2021 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.

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

May 27, 2021 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System M

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

May 27, 2021 060000 ENGINE (PWS)

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System M

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

May 11, 2021 030000 SERVICE BRAKES, HYDRAULIC

Service Update Bulletin. Certain vehicles may have an erratic signal coming from the engine manifold absolute pressure (MAP) sensor. Customers may notice the service engine soon (SES) lamp illuminate or was illuminated and turned off. DTC?

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

June 21, 2021 118000 ELECTRICAL SYSTEM:SOFTWARE

This technical bulletin provides repair information to correct a customer concern of Crooked Rear View Camera Guideline Image on Radio Display.

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

May 11, 2021 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp illuminated on the Driver Information Center

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

May 12, 2021 110000 ELECTRICAL SYSTEM

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or Fluctu

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

May 5, 2021 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center.

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

May 5, 2021 060000 ENGINE (PWS)

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center.

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 1, 2021 136100 VISIBILITY:WINDSHIELD WIPER/WASHER:SWITCH/WIRING

Service Update. On certain vehicles, the thrust washer was not installed on the transfer case reduction carrier assembly. Dealers are to replace the transfer case.

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

July 1, 2021 353000 EQUIPMENT:ELECTRICAL

Service Update. On certain vehicles, the thrust washer was not installed on the transfer case reduction carrier assembly. Dealers are to replace the transfer case.

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

June 23, 2021 110000 ELECTRICAL SYSTEM

Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles equipped with a performance air intake system (LPO RVK or 5W7). The Engine Control Module (ECM) may not have been programmed wit

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

June 16, 2021 353610 EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

Service Update – Radio Software Update (OTA) – Certain 2021 model year vehicles listed above, with an infotainment system, may have a condition where the infotainment system screen will appear black with no audio and no chime at key on duri

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

June 9, 2021 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

Service Update. Certain vehicles may not be able to access Apps. A most notable improvement list this software update may correct is located at the end of this bulletin for conditions or concerns a customer may experience. Dealers will re

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

June 9, 2021 118000 ELECTRICAL SYSTEM:SOFTWARE

Service Update. Certain vehicles may not be able to access Apps. A most notable improvement list this software update may correct is located at the end of this bulletin for conditions or concerns a customer may experience. Dealers will re

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

June 9, 2021 357500 EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

Service Update. Certain vehicles may not be able to access Apps. A most notable improvement list this software update may correct is located at the end of this bulletin for conditions or concerns a customer may experience. Dealers will re

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")

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 1, 2021 070000 FUEL SYSTEM, GASOLINE

Service Update. Certain trucks may falsely set fuel injector diagnostic trouble codes P026C and/or P20EE. Dealers will reprogram the engine control module (ECM).

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

June 1, 2021 110000 ELECTRICAL SYSTEM

Service Update. Certain trucks may falsely set fuel injector diagnostic trouble codes P026C and/or P20EE. Dealers will reprogram the engine control module (ECM).

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

June 24, 2021 010000 STEERING

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a rubbing type noise heard while turning the steering wheel.

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

June 24, 2021 280000 BACK OVER PREVENTION

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a rubbing type noise heard while turning the steering wheel.

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 21, 2021 140000 AIR BAGS

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the trailer light message and/or trailer disconnect message on the infotainm

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

June 21, 2021 210000 TRAILER HITCHES

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the trailer light message and/or trailer disconnect message on the infotainm

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

June 18, 2021 100000 POWER TRAIN

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), Transmiss

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

June 18, 2021 140000 AIR BAGS

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), Transmiss

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

June 3, 2021 140000 AIR BAGS

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System M

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

June 3, 2021 119340 ELECTRICAL SYSTEM:PROPULSION SYSTEM:FUSES, RELAYS, CONTACTS, AND SHUNTS

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System M

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

June 10, 2021 126000 EXTERIOR LIGHTING:TURN SIGNAL

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling.

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

June 16, 2021 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a

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

June 16, 2021 280000 BACK OVER PREVENTION

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a

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

June 3, 2021 140000 AIR BAGS

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center.

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 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 29, 2021 060000 ENGINE (PWS)

This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.

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 a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3055 Set.

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

June 21, 2021 280000 BACK OVER PREVENTION

This technical bulletin provides repair information to correct a customer concern of Crooked Rear View Camera Guideline Image on Radio Display.

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

June 10, 2021 345000 COMMUNICATION: VEHICLE TO INFRASTRUCTURE

This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

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

June 9, 2021 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS.

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 28, 2021 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides repair information to correct a customer concern of MIL Illuminated- ECM Update for P026C, P20EE, or P11D5.

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 25, 2021 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to inspect fuses F51DR and/or F52DR in the X51R right instrument panel fuse block when they should not be installed.

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

May 6, 2021 350000 EQUIPMENT

This informational bulletin provides information for dealers/technicians on Information on GM Accessories – Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period.

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")

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 7, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

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

May 10, 2021 160000 STRUCTURE

This service bulletin provides a procedure to replace both front door seals to correct a customer concern of Howl, Hoot, or Whistle Type Noise when Driving in Crosswinds.

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

May 10, 2021 162300 STRUCTURE:BODY:DOOR

This service bulletin provides a procedure to replace both front door seals to correct a customer concern of Howl, Hoot, or Whistle Type Noise when Driving in Crosswinds.

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 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 3, 2021 280000 BACK OVER PREVENTION

This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation – Flashing Diamond – Spot – or UFO like image on Rear View Camera Display.

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

May 3, 2021 160000 STRUCTURE

This technical bulletin provides a procedure to replace the lower seat frame to correct the condition of Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel due to a supplier installation error.

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

May 3, 2021 220000 SEATS

This technical bulletin provides a procedure to replace the lower seat frame to correct the condition of Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel due to a supplier installation error.

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

May 25, 2021 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to inspect fuses F51DR and/or F52DR in the X51R right instrument panel fuse block when they should not be installed.

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 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 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 5, 2021 020000 SUSPENSION

This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.

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 6, 2021 350000 EQUIPMENT

This informational bulletin provides information for dealers/technicians on Information on GM Accessories – Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period.

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 10, 2021 160000 STRUCTURE

This service bulletin provides a procedure to replace both front door seals to correct a customer concern of Howl, Hoot, or Whistle Type Noise when Driving in Crosswinds.

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 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 3, 2021 280000 BACK OVER PREVENTION

This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation – Flashing Diamond – Spot – or UFO like image on Rear View Camera Display.

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

May 12, 2021 170000 LATCHES/LOCKS/LINKAGES

This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

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

May 3, 2021 220000 SEATS

This technical bulletin provides a procedure to replace the lower seat frame to correct the condition of Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel due to a supplier installation error.

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

May 7, 2021 060000 ENGINE AND ENGINE COOLING

This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

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 5, 2021 280000 BACK OVER PREVENTION

This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.

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")

May 12, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

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

May 12, 2021 170000 LATCHES/LOCKS/LINKAGES

This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

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 4, 2021 110000 ELECTRICAL SYSTEM

Customer Satisfaction Program. Certain vehicles, equipped with a 5.3 L engine, may have a diagnostic calibration in the engine control module (ECM) causing it to stay awake resulting in a parasitic drain on the battery. This could cause di

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

May 24, 2021 110000 ELECTRICAL SYSTEM

This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for a suspected bent target wheel on the camshaft.

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 10, 2021 060000 ENGINE (PWS)

This Preliminary information communicates that the performance air cleaner kit (cold air intake system) can only be installed on vehicles that had the option ordered for the vehicle when it was produced. This performance air filter kit can

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

May 7, 2021 350000 EQUIPMENT

This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution.

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

May 7, 2021 357500 EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution.

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 16, 2021 110000 ELECTRICAL SYSTEM

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp illuminated on Driver Information Center (DIC) with

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

April 16, 2021 120000 EXTERIOR LIGHTING

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp illuminated on Driver Information Center (DIC) with

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

April 26, 2021 100000 POWER TRAIN

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a tick and/or ping type noise heard from the Propeller Shaft during accelera

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

April 26, 2021 030000 BRAKES (PWS)

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a tick and/or ping type noise heard from the Propeller Shaft during accelera

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 30, 2021 100000 POWER TRAIN

This informational bulletin advises the technician to verify the TCM is asleep before trying to repair the transmission in order for all the codes to be re-set.

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 22, 2021 045100 SERVICE BRAKES, AIR:DISC:CALIPER

This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.

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 23, 2021 100000 POWER TRAIN

This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

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 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 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 1, 2021 100000 POWER TRAIN

This Preliminary information communicates to the dealer technician to replace the transmission valve body on 2019-2021 10 speed transmissions to correct DTCs P2812 and P2814 setting if Service Information does not lead to root case of these

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

April 1, 2021 160000 STRUCTURE

This Preliminary information communicates to the dealer technician to replace the transmission valve body on 2019-2021 10 speed transmissions to correct DTCs P2812 and P2814 setting if Service Information does not lead to root case of these

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

April 1, 2021 140000 AIR BAGS

This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Engineering team is working on a correction.

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

April 29, 2021 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes.

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

April 27, 2021 350000 EQUIPMENT

This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution.

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

April 22, 2021 110000 ELECTRICAL SYSTEM

This Preliminary information communicates and issue with the park assist off message or unwanted/false parking assist alerts and provide diagnostics tip for dealership to inspect the parking assist sensor/bezel mounting in the front and rea

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

April 21, 2021 110000 ELECTRICAL SYSTEM

This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting. Some customers may comment on any of the following concerns: – SES MIL – No Start – No Crank – Engine

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

April 21, 2021 060000 ENGINE (PWS)

This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting. Some customers may comment on any of the following concerns: – SES MIL – No Start – No Crank – Engine

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

March 17, 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

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 2021 and newer model year vehicles with RPO ATH

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

March 22, 2021 116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY).

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

March 31, 2021 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to locate a possible short in the engine wiring harness.

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

March 31, 2021 060000 ENGINE (PWS)

This technical bulletin provides a procedure to locate a possible short in the engine wiring harness.

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

March 26, 2021 117200 ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE

This informational bulletin advises the technician of the changes in the DFM and DFM system for the pickups.

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

March 31, 2021 280000 BACK OVER PREVENTION

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards one or more camera views showing intermittent behavior and/or totally inoperabl

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 29, 2021 130000 VISIBILITY

This technical bulletin provides repair information to correct a customer concern of DTC P0101 Mass Air Flow (MAF) Sensor Performance, P1682 Set after MAF Replacement.

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

March 18, 2021 140000 AIR BAGS

This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.

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

March 8, 2021 060000 ENGINE AND ENGINE COOLING

This informational bulletin provides a test procedure, for a possible faulty DEF Heater.

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 060000 ENGINE AND ENGINE COOLING

This informational bulletin explains why more DEF is being used in diesel engines do to new emission standards.

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 30, 2021 126200 EXTERIOR LIGHTING:TURN SIGNAL:SWITCH

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling.

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

March 8, 2021 100000 POWER TRAIN

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a tick and/or ping type noise heard from the Propeller Shaft during accelera

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

March 3, 2021 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Dead Battery and/or Shift to Park Lamp Illuminated On Driver Information C

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

March 5, 2021 110000 ELECTRICAL SYSTEM

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or Fluctu

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

March 31, 2021 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center.

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 17, 2021 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine Shuts Off After 30 or 60 Minutes of Idling.

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

March 30, 2021 350000 EQUIPMENT

This service bulletin provides repair information for Radio Software Version V155 Update.

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")

March 16, 2021 030000 BRAKES (PWS)

Customer Satisfaction Program. On certain vehicles may experience brake function issues over time based on feedback received from the supplier concerning the condition of certain eBoost brake unit assemblies. Dealers are to replace the eB

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

March 4, 2021 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

Customer Satisfaction Program. Certain 2021 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles, equipped with an 8 speed automatic transmission, (RPO MQE), may have a broken reaction carrier in the transmission. Dealers will

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

March 1, 2021 350000 EQUIPMENT

Customer Satisfaction Program. Certain vehicles may have a cargo tie down ring made incorrectly available for ordering at the time of vehicle purchase. This cargo tie down ring accessory (RPO 5VI) is only designed to work with a Steel Bed

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

March 9, 2021 061700 ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal.

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 29, 2021 210000 TRAILER HITCHES

This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup o

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

March 26, 2021 100000 POWER TRAIN

This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related service

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

March 26, 2021 061700 ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related service

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

March 23, 2021 350000 EQUIPMENT

This Preliminary information communicates to technicians a possible cause and correction for a P026A

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

March 23, 2021 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates to dealership technicians to perform a sweep of the coolant flow control valve and test the circuits before replacing the Engine Coolant Flow Control Valve, and to assist engineering in root causing

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

March 16, 2021 280100 BACK OVER PREVENTION:SOFTWARE

This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released.

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

March 10, 2021 140000 AIR BAGS

This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Engineering team is working on a correction

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

March 5, 2021 130000 VISIBILITY

This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

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

March 5, 2021 280000 BACK OVER PREVENTION

This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

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

March 31, 2021 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent”. This bulletin advises that Engineering is working on a software solution that will prevent the message

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

March 31, 2021 280100 BACK OVER PREVENTION:SOFTWARE

This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent”. This bulletin advises that Engineering is working on a software solution that will prevent the message

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

March 31, 2021 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary information communicates a condition where the the customer may see a SD card remove message accompanied by a 0X40000 code on the DIC or radio display. This PI offers some testing tips and advises on direction depending on

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

March 31, 2021 284100 BACK OVER PREVENTION:DISPLAY FUNCTION

This Preliminary information communicates a condition where the the customer may see a SD card remove message accompanied by a 0X40000 code on the DIC or radio display. This PI offers some testing tips and advises on direction depending on

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")

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")

January 20, 2021 270000 LANE DEPARTURE

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or Fluctu

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

January 11, 2021 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a

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

January 11, 2021 280000 BACK OVER PREVENTION

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a

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 20, 2021 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern.

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

January 21, 2021 110000 ELECTRICAL SYSTEM

This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector.

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

January 13, 2021 353800 EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER

This informational bulletin provides a test procedure, for a possible faulty DEF Heater.

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")

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 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 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 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")

December 22, 2020 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.

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

December 23, 2020 140000 AIR BAGS

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC).

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

December 16, 2020 140000 AIR BAGS

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

December 1, 2020 030000 SERVICE BRAKES, HYDRAULIC

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 060000 ENGINE AND ENGINE COOLING

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 070000 FUEL SYSTEM, GASOLINE

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 100000 POWER TRAIN

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 110000 ELECTRICAL SYSTEM

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 140000 AIR BAGS

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 270000 LANE DEPARTURE

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 14, 2020 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps and Remote Personalization Features in the Radio.

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

December 22, 2020 140000 AIR BAGS

This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.

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

December 23, 2020 280100 BACK OVER PREVENTION:SOFTWARE

This service bulletin provides V152 radio software update information to correct customer concerns of various software issues.

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

December 17, 2020 284100 BACK OVER PREVENTION:DISPLAY FUNCTION

This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.

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

December 23, 2020 280100 BACK OVER PREVENTION:SOFTWARE

This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released.

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

December 22, 2020 280100 BACK OVER PREVENTION:SOFTWARE

This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released.

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

December 21, 2020 140000 AIR BAGS

This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Engineering team is working on a correction

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

December 18, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern.

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

December 16, 2020 350000 EQUIPMENT

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

December 16, 2020 060000 ENGINE (PWS)

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

December 1, 2020 030000 SERVICE BRAKES, HYDRAULIC

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 060000 ENGINE AND ENGINE COOLING

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 070000 FUEL SYSTEM, GASOLINE

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 100000 POWER TRAIN

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 110000 ELECTRICAL SYSTEM

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 140000 AIR BAGS

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

December 1, 2020 270000 LANE DEPARTURE

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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 11, 2020 350000 EQUIPMENT

This Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction

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 27, 2020 110000 ELECTRICAL SYSTEM

This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes.

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

December 22, 2020 160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.

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 technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.

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")

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 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 16, 2020 060000 ENGINE AND ENGINE COOLING

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

December 1, 2020 060000 ENGINE AND ENGINE COOLING

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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 16, 2020 353000 EQUIPMENT:ELECTRICAL

This service bulletin provides information for dealers/technicians on Normal Characteristic – Wireless Phone Projection Audio Cuts Out Every 10 Seconds on New/Unsold Vehicles.

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")

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")

November 5, 2020 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent”. This bulletin advises that Engineering is working on a software solution that will prevent the message

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

November 5, 2020 357500 EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent”. This bulletin advises that Engineering is working on a software solution that will prevent the message

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

November 20, 2020 118000 ELECTRICAL SYSTEM:SOFTWARE

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

November 20, 2020 060000 ENGINE (PWS)

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

November 25, 2020 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.

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

November 25, 2020 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.

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

November 30, 2020 140000 AIR BAGS

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC).

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

November 17, 2020 140000 AIR BAGS

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC).

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

November 18, 2020 133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area.

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

November 18, 2020 350000 EQUIPMENT

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area.

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 20, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction

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")

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 23, 2020 280100 BACK OVER PREVENTION:SOFTWARE

This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released.

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

December 22, 2020 280100 BACK OVER PREVENTION:SOFTWARE

This Preliminary information communicates A list of software concerns and advises that engineering is working on a resolution. This PI will be changed to a bulletin once the Software is released.

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

December 21, 2020 140000 AIR BAGS

This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Engineering team is working on a correction

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

December 18, 2020 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern.

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 11, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction

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")

December 22, 2020 110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.

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

October 15, 2020 060000 ENGINE AND ENGINE COOLING

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center (DIC).

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")

December 23, 2020 140000 AIR BAGS

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC).

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")

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")

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")

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")

December 23, 2020 350000 EQUIPMENT

This service bulletin provides V152 radio software update information to correct customer concerns of various software issues.

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 information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.

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

December 14, 2020 350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps and Remote Personalization Features in the Radio.

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

December 22, 2020 160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.

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 23, 2020 101000 POWER TRAIN:CLUTCH ASSEMBLY

This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern.

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

November 23, 2020 350000 EQUIPMENT

This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern.

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

November 23, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern.

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 22, 2020 160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.

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 technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.

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")

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 27, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes.

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 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")

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 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")

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")

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")

December 16, 2020 060000 ENGINE AND ENGINE COOLING

Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor

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

December 1, 2020 060000 ENGINE AND ENGINE COOLING

Customer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. T

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

July 29, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to technicians a possible cause and correction for a P026A

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

April 7, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order.

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

April 7, 2020 060000 ENGINE (PWS)

This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order.

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")

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")

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")

September 30, 2020 050000 PARKING BRAKE

PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set.

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

September 30, 2020 200000 WHEELS

PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set.

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")

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")

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 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")

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")

September 23, 2020 090000 FUEL SYSTEM, OTHER

This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed.

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

September 23, 2020 060000 ENGINE (PWS)

This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed.

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

October 28, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates the possibility of the having dtc p06DD P06DA P06DB due to engine wiring harness concerns.

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")

August 10, 2020 133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area.

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

October 8, 2020 357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER

This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.

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

October 8, 2020 357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER

This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.

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

April 30, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

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")

April 30, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

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")

2021 GMC Sierra 1500

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