2021 CHEVROLET Trailblazer

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

4 Recalls for 2021 CHEVROLET Trailblazer

Recall Date Component Summary
June 10, 2021 EQUIPMENT:MECHANICAL:ACCESSORY SCISSOR/SCREW/BOTTLE JACK/LIFT:STAND

General Motors, LLC. (GM) is recalling certain 2020-2022 Buick Encore GX and 2021-2022 Chevrolet Trailblazer vehicles. The emergency jack, if not positioned as directed in the vehicle owner’s manual, can fracture while in use.

Remedy:

Dealers will replace the jack, free of charge. Interim owner notification letters informing owner of the safety risk are expected to be mailed July 26, 2021. A second notice will be mailed once remedy parts become available. Owners may contact Buick customer service at 1-800-521-7300 or Chevrolet customer service at 1-800-222-1020. GM’s number for this recall is A212335470.

September 24, 2020 SERVICE BRAKES

General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.

Remedy:

GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM’s number for this recall is A202307260.

September 3, 2020 SEATS | SEATS:CRITICAL FASTENERS

General Motors LLC (GM) is recalling certain 2020 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles. The rear attachment bolts of one or both front seats may not have been installed.

Remedy:

GM will notify owners, and dealers will inspect seat attachments for both front seats and install attachment bolts as needed, free of charge. The recall began October 1, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438 or Buick customer service at 1-800-521-7300. GM’s number for this recall is A202304380.

May 21, 2020 EQUIPMENT:OTHER:LABELS | TIRES

General Motors LLC (GM) is recalling certain 2021 Chevrolet Trailblazer vehicles factory-equipped with optional 17-inch sport terrain tires. The certification label on these vehicles does not provide the tire size and cold tire pressure information for front and rear tires, as required. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard Number 110, “Tire Selection and Rims.”

Remedy:

GM will notify owners, and will mail corrected labels for customers to apply, free of charge. The recall began July 1, 2020. Owners may call Chevrolet customer service at 1-800-222-1020. GM’s number for this recall is A202304070.

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 CHEVROLET Trailblazer

skip to NHTSA complaints

Date Component  

11 Complaints submitted to NHTSA for 2021 CHEVROLET Trailblazer

skip to CAS complaints

Date Component  
SERVICE BRAKES | STEERING
ODI Number: 11415441
SERVICE BRAKES
ODI Number: 11407213
UNKNOWN OR OTHER
ODI Number: 11403605
SERVICE BRAKES
ODI Number: 11396552
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING | SERVICE BRAKES
ODI Number: 11394975
UNKNOWN OR OTHER
ODI Number: 11384075
VEHICLE SPEED CONTROL
ODI Number: 11375970
SERVICE BRAKES
ODI Number: 11374603
STRUCTURE:BODY
ODI Number: 11366803
SERVICE BRAKES
ODI Number: 11361549
EXTERIOR LIGHTING | VISIBILITY/WIPER
ODI Number: 11354660
Is the government investigating the safety of your vehicle? Find out here.

0 Investigations for 2021 CHEVROLET Trailblazer

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.

397 Service Alerts for 2021 CHEVROLET Trailblazer

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

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

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

July 26, 2022 350000 EQUIPMENT

This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.

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

July 25, 2022 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to correct a customer concern of a Pop Noise Heard on Heavy Acceleration Only.

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

July 25, 2022 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to correct a customer concern of a Pop Noise Heard on Heavy Acceleration Only.

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

July 25, 2022 010000 STEERING

This service bulletin provides repair information to correct a customer concern of Service Power Steering DIC Message, DTC C0051 58 – Steering Wheel Angle Sensor Error Set.

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

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

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

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

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

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

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

June 24, 2022 350000 EQUIPMENT

This service bulletin provides service information/procedures on continuous improvement Radio Software Version V158 Update to address customer comments on software related issues.

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

June 27, 2022 060000 ENGINE AND ENGINE COOLING

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

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

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

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

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

June 27, 2022 350000 EQUIPMENT

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

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

June 24, 2022 350000 EQUIPMENT

This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.

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

June 21, 2022 350000 EQUIPMENT

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

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

June 23, 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")

June 23, 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")

June 28, 2022 350000 EQUIPMENT

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

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

July 1, 2022 100000 POWER TRAIN

This service bulletin provides a repair procedure to correct a customer concern of Loss of and/or Reduced Propulsion.

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

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

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

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

June 15, 2022 284100 BACK OVER PREVENTION:DISPLAY FUNCTION

This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a fix for this issue

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

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

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

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

January 31, 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides repair information to correct a customer concern of Flutter or Boom Noise at 1200 RPM- Service Calibration.

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

January 31, 2022 061610 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

This technical bulletin provides repair information to correct a customer concern of Flutter or Boom Noise at 1200 RPM- Service Calibration.

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

January 19, 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY

This service bulletin provides a procedure to correct a condition of Front Brake Squeal Noise Heard During Light Brake Pedal Application.

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

January 19, 2022 030000 BRAKES (PWS)

This service bulletin provides a procedure to correct a condition of Front Brake Squeal Noise Heard During Light Brake Pedal Application.

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

June 15, 2022 060000 ENGINE AND ENGINE COOLING

This engineering information (EI) closure ends the needs for any more picture requests from the field of Broken Wire in Harness Between ECM and Multifunction Sensor (MAF Sensor).

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

June 15, 2022 110000 ELECTRICAL SYSTEM

This engineering information (EI) closure ends the needs for any more picture requests from the field of Broken Wire in Harness Between ECM and Multifunction Sensor (MAF Sensor).

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

February 4, 2022 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

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")

January 13, 2022 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides repair information to correct a customer concern of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler Icing – Malfunction Indicator Lamp (MIL) Illuminated, DTC P0299, P0234, P02

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

February 3, 2022 010000 STEERING

This service bulletin provides repair information to correct a customer concern of Service Power Steering DIC Message, DTC C0051 58 – Steering Wheel Angle Sensor Error Set.

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

February 3, 2022 016000 STEERING:ELECTRIC POWER ASSIST SYSTEM

This service bulletin provides repair information to correct a customer concern of Service Power Steering DIC Message, DTC C0051 58 – Steering Wheel Angle Sensor Error Set.

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

June 15, 2022 060000 ENGINE AND ENGINE COOLING

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

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

February 3, 2022 280000 BACK OVER PREVENTION

This technical bulletin provides a procedure to correct a customer concern of a Pop Noise Heard on Heavy Acceleration Only.

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

January 27, 2022 090000 FUEL SYSTEM, OTHER

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

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

January 27, 2022 280000 BACK OVER PREVENTION

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

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

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

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

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

August 19, 2020 060000 ENGINE AND ENGINE COOLING

Service Update Bulletin. Certain vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. If this were to happen, it could cause a MIL light to illuminate on the dash (Service Engi

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

August 19, 2020 350000 EQUIPMENT

Service Update Bulletin. Certain vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. If this were to happen, it could cause a MIL light to illuminate on the dash (Service Engi

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

May 6, 2022 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a fix for this issue

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

January 10, 2022 030000 BRAKES (PWS)

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

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

January 27, 2022 160000 STRUCTURE

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

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

January 27, 2022 350000 EQUIPMENT

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

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

January 4, 2022 070000 FUEL SYSTEM, GASOLINE

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

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

January 4, 2022 080000 FUEL SYSTEM, DIESEL

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

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

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

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

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

May 31, 2022 160000 STRUCTURE

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

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

January 4, 2022 350000 EQUIPMENT

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

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

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

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

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

June 6, 2022 200000 WHEELS

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

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

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 20, 2022 030000 SERVICE BRAKES, HYDRAULIC

This service bulletin provides repair information to correct a customer concern of hearing a front brake squeal noise during light brake pedal application.

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

May 19, 2022 350000 EQUIPMENT

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

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

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

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

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

January 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 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 110000 ELECTRICAL SYSTEM

This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.

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")

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")

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 20, 2022 030000 BRAKES (PWS)

This service bulletin provides a procedure to correct a condition of Front Brake Squeal Noise Heard During Light Brake Pedal Application.

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 bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.

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

May 25, 2022 110000 ELECTRICAL SYSTEM

This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.

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

May 25, 2022 114000 ELECTRICAL SYSTEM:WIRING

This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.

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

May 25, 2022 060100 ENGINE AND ENGINE COOLING:CRITICAL FASTENERS

This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.

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")

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")

May 13, 2022 030000 SERVICE BRAKES, HYDRAULIC

This service bulletin provides repair information to correct a customer concern of hearing a front brake squeal noise during light brake pedal application.

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

May 11, 2022 200000 WHEELS

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

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

May 13, 2022 030000 SERVICE BRAKES, HYDRAULIC

This service bulletin provides a procedure to correct a condition of Front Brake Squeal Noise Heard During Light Brake Pedal Application.

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 service bulletin provides a repair procedure to correct a customer concern of Loss of and/or Reduced Propulsion.

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

May 11, 2022 100000 POWER TRAIN

This service bulletin provides a repair procedure to correct a customer concern of Loss of and/or Reduced Propulsion.

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")

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")

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")

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")

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 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 8, 2022 100000 POWER TRAIN

This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.

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

April 8, 2022 350000 EQUIPMENT

This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.

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

April 13, 2022 350000 EQUIPMENT

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

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

April 7, 2022 160000 STRUCTURE

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

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

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

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

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

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")

April 7, 2022 100000 POWER TRAIN

This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.

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

March 31, 2022 060000 ENGINE AND ENGINE COOLING

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

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

March 25, 2022 200000 WHEELS

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

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

March 25, 2022 350000 EQUIPMENT

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

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

March 22, 2022 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 9, 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 the Check Engine Lamp On and/or Reduced Engine Power message displayed on th

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

March 9, 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 the Check Engine Lamp On and/or Reduced Engine Power message displayed on th

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

March 9, 2022 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 Check Engine Lamp On and/or Reduced Engine Power message displayed on th

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

March 21, 2022 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Rotor Position Sensor (RPS) Software.

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

March 21, 2022 030000 BRAKES (PWS)

This technical bulletin provides repair information to correct a customer concern of Rotor Position Sensor (RPS) Software.

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 procedure to locate and repair a possible loose wire crimp in the engine wiring harness to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated.

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

March 30, 2022 110000 ELECTRICAL SYSTEM

This service bulletin provides a procedure to locate and repair a possible loose wire crimp in the engine wiring harness to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated.

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 information on normal engine characteristics/noise produced by the LIH 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 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 10, 2022 110000 ELECTRICAL SYSTEM

This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.

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

March 23, 2022 030000 BRAKES (PWS)

This service bulletin provides a procedure to correct a condition of Front Brake Squeal Noise Heard During Light Brake Pedal Application.

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")

January 14, 2022 060000 ENGINE (PWS)

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

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

January 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")

July 24, 2020 060000 ENGINE AND ENGINE COOLING

Service Update. Certain vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. If this were to happen, it could cause a MIL light to illuminate on the dash (Service Engine Soon),

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

July 24, 2020 060000 ENGINE (PWS)

Service Update. Certain vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. If this were to happen, it could cause a MIL light to illuminate on the dash (Service Engine Soon),

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")

December 22, 2021 114000 ELECTRICAL SYSTEM:WIRING

This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

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

December 22, 2021 060000 ENGINE (PWS)

This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

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

December 17, 2021 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This Preliminary information communicates inspection and/or needed repairs for DTC P2714 on a VT40 CVT transmission

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

December 17, 2021 350000 EQUIPMENT

This Preliminary information communicates inspection and/or needed repairs for DTC P2714 on a VT40 CVT transmission

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

November 15, 2021 010000 STEERING

This service bulletin provides repair information to correct a customer concern of Service Power Steering DIC Message, DTC C0051 58 – Steering Wheel Angle Sensor Error Set.

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

November 15, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides repair information to correct a customer concern of Service Power Steering DIC Message, DTC C0051 58 – Steering Wheel Angle Sensor Error Set.

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

November 29, 2021 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.

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 19, 2021 350000 EQUIPMENT

This technical bulletin provides a procedure to correct a customer concern of a Pop Noise Heard on Heavy Acceleration Only.

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

November 19, 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

This technical bulletin provides a procedure to correct a customer concern of a Pop Noise Heard on Heavy Acceleration Only.

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")

January 12, 2021 350000 EQUIPMENT

This service bulletin provides information explaining possible normal CVT automatic transmission performance.

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

January 27, 2021 020000 SUSPENSION

This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.

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

January 27, 2021 162000 STRUCTURE:BODY

This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.

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

January 27, 2021 350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.

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

January 27, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.

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

January 25, 2021 060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to relocate the ground wire from the G58 Emission Purge Pump to the engine block directly to correct the customers concern.

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

January 25, 2021 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to relocate the ground wire from the G58 Emission Purge Pump to the engine block directly to correct the customers concern.

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

January 25, 2021 350000 EQUIPMENT

This technical bulletin provides a procedure to relocate the ground wire from the G58 Emission Purge Pump to the engine block directly to correct the customers concern.

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

December 9, 2020 030000 BRAKES (PWS)

This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition.

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

November 9, 2021 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

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

November 9, 2021 060000 ENGINE (PWS)

This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

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 27, 2021 062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM

This service bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing.

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 8, 2021 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

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

November 8, 2021 060000 ENGINE (PWS)

This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

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

November 15, 2021 050000 PARKING BRAKE

This Preliminary information communicates to the dealer if the lane keep assist and forward collision alert are inoperative, both indicators may be flashing on and off while driving. When pressing button to turn on the lane keep assist they

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

November 15, 2021 180000 VEHICLE SPEED CONTROL

This Preliminary information communicates to the dealer if the lane keep assist and forward collision alert are inoperative, both indicators may be flashing on and off while driving. When pressing button to turn on the lane keep assist they

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

November 15, 2021 190000 TIRES

This Preliminary information communicates to the dealer if the lane keep assist and forward collision alert are inoperative, both indicators may be flashing on and off while driving. When pressing button to turn on the lane keep assist they

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

November 15, 2021 260000 FORWARD COLLISION AVOIDANCE

This Preliminary information communicates to the dealer if the lane keep assist and forward collision alert are inoperative, both indicators may be flashing on and off while driving. When pressing button to turn on the lane keep assist they

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

November 15, 2021 270000 LANE DEPARTURE

This Preliminary information communicates to the dealer if the lane keep assist and forward collision alert are inoperative, both indicators may be flashing on and off while driving. When pressing button to turn on the lane keep assist they

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

December 8, 2020 350000 EQUIPMENT

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

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

December 16, 2020 350000 EQUIPMENT

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

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

January 21, 2021 350000 EQUIPMENT

This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition.

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

January 21, 2021 030000 BRAKES (PWS)

This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition.

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")

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 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 9, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition.

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 23, 2021 100000 POWER TRAIN

This Preliminary information communicates inspection and/or needed repairs for DTC P2714 on a VT40 CVT transmission

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

December 1, 2020 350000 EQUIPMENT

This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing.

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

December 11, 2020 350000 EQUIPMENT

This service bulletin provides information for dealers/technicians on a normal characteristic of Brake Pedal – Excessive Click Noise with Slight Press of the Brake Pedal.

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 21, 2020 060000 ENGINE AND ENGINE COOLING

Service Update. A small number of vehicles may have a coolant inlet pipe that may present an obstructed threaded hole for the coolant temp sensor which could result in the check engine light coming on or a potential coolant leak. Dealers

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

December 21, 2020 350000 EQUIPMENT

Service Update. A small number of vehicles may have a coolant inlet pipe that may present an obstructed threaded hole for the coolant temp sensor which could result in the check engine light coming on or a potential coolant leak. Dealers

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 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")

June 24, 2021 350000 EQUIPMENT

Service Update. Certain vehicles may have engine control module software that leads to erroneous additional fuel enrichment under rare driving conditions. Dealers are to reprogram the engine control module.

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

June 24, 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

Service Update. Certain vehicles may have engine control module software that leads to erroneous additional fuel enrichment under rare driving conditions. Dealers are to reprogram the engine control module.

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

June 28, 2021 350000 EQUIPMENT

Service Update. Certain vehicles equipped with a 1.3L gasoline engine (RPO L3T), have cylinder head outer bolts which were not tightened. Dealers are to retighten the cylinder head outer bolts.

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

June 28, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

Service Update. Certain vehicles equipped with a 1.3L gasoline engine (RPO L3T), have cylinder head outer bolts which were not tightened. Dealers are to retighten the cylinder head outer bolts.

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

June 28, 2021 060000 ENGINE (PWS)

Service Update. Certain vehicles equipped with a 1.3L gasoline engine (RPO L3T), have cylinder head outer bolts which were not tightened. Dealers are to retighten the cylinder head outer bolts.

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 15, 2021 275500 LANE DEPARTURE: SENSING SYSTEM: OTHER

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Lane Keep Assist and/or Adaptive Cruise Control being Inoperative.

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 21, 2021 350000 EQUIPMENT

This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues.

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 U157 software update information to correct customer concerns of radio Software related issues.

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

June 21, 2021 118000 ELECTRICAL SYSTEM:SOFTWARE

This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues.

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 24, 2021 110000 ELECTRICAL SYSTEM

Service Update. Certain vehicles may have engine control module software that leads to erroneous additional fuel enrichment under rare driving conditions. Dealers are to reprogram the engine control module.

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

June 28, 2021 200000 WHEELS

Service Update. Certain vehicles equipped with a 1.3L gasoline engine (RPO L3T), have cylinder head outer bolts which were not tightened. Dealers are to retighten the cylinder head outer bolts.

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")

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 7, 2021 100000 POWER TRAIN

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

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

June 15, 2021 185000 VEHICLE SPEED CONTROL:CRUISE 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 Lane Keep Assist and/or Adaptive Cruise Control being Inoperative.

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 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 21, 2021 120000 EXTERIOR LIGHTING

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

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

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

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

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

May 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 19, 2021 160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.

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 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 20, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant to correct customer concerns of Various Electrical Issues, No Start, Stall, Brake Lamp Not Off, Radio Inoperative, Remote K

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

May 20, 2021 120000 EXTERIOR LIGHTING

This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant to correct customer concerns of Various Electrical Issues, No Start, Stall, Brake Lamp Not Off, Radio Inoperative, Remote K

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 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 19, 2021 160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.

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 20, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant to correct customer concerns of Various Electrical Issues, No Start, Stall, Brake Lamp Not Off, Radio Inoperative, Remote K

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

May 20, 2021 350000 EQUIPMENT

This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant to correct customer concerns of Various Electrical Issues, No Start, Stall, Brake Lamp Not Off, Radio Inoperative, Remote K

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")

May 6, 2021 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

Emission Recall. Certain vehicles with a 1.2L engine (RPO LIH) may have received incorrect catalytic converter parts that do not meet all emission system requirements. Dealers are to inspect the catalytic converter and replace if the corre

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 15, 2021 010000 STEERING

This engineering information (EI) closure ends the need for further information from the field in regards to a Service Power Steering Message Illuminated on Driver Information Center (DIC), DTC C0051 58 Set.

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

April 15, 2021 110000 ELECTRICAL SYSTEM

This engineering information (EI) closure ends the need for further information from the field in regards to a Service Power Steering Message Illuminated on Driver Information Center (DIC), DTC C0051 58 Set.

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

April 1, 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 a Service Power Steering Message Illuminated on Driver Information Center (DIC)

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

April 1, 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 a Service Power Steering Message Illuminated on Driver Information Center (DIC)

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 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 14, 2021 120000 EXTERIOR LIGHTING

This service bulletin provides repair information to correct a customer concern of Intermittent Malfunction Indicator Lamp (MIL) Illuminated – DTC P146F Set.

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 23, 2021 180000 VEHICLE SPEED CONTROL

This informational bulletin provides information to provide dealership personal the guidelines for determining warranty or non-warranty for side door window glass replacement due to scratches to avoid unnecessary debit.

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

April 19, 2021 050000 PARKING BRAKE

This service bulletin provides a procedure to locate and repair a possible loose wire crimp in the engine wiring harness to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated.

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

April 19, 2021 120000 EXTERIOR LIGHTING

This service bulletin provides a procedure to locate and repair a possible loose wire crimp in the engine wiring harness to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated.

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 6, 2021 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates to dealer that if a P146F is setting intermittently that engineering is working on a calibration and no repairs are to be competed at this time.

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 19, 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 a Service Power Steering Message Illuminated On Driver Information Center (DIC), D

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

March 19, 2021 185000 VEHICLE SPEED CONTROL:CRUISE 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 Lane Keep Assist and/or Adaptive Cruise Control being Inoperative.

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

March 19, 2021 274200 LANE DEPARTURE: LANE KEEP: STEERING ASSIST

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Lane Keep Assist and/or Adaptive Cruise Control being Inoperative.

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 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 5, 2021 160000 STRUCTURE

This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant to correct customer concerns of Various Electrical Issues, No Start, Stall, Brake Lamp Not Off, Radio Inoperative, Remote K

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

March 11, 2021 130000 VISIBILITY

This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing.

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

March 16, 2021 060000 ENGINE AND ENGINE COOLING

This service bulletin provides a information and diagnostic steps/tips for vehicles that are slow to heat up in cold temperatures.

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

March 15, 2021 110000 ELECTRICAL SYSTEM

This service bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797.

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

March 29, 2021 350000 EQUIPMENT

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

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

March 11, 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY

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

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

March 17, 2021 350000 EQUIPMENT

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

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

March 9, 2021 350000 EQUIPMENT

This service bulletin provides repair information to correct a customer concern of Volume Level Difference When Switching Between FM and Sirius XM Audio Sources.

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")

November 17, 2020 061700 ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

This Preliminary information communicates the possibility of a no start condition due crank sensor damage caused by increased crankcase pressure.

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 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 12, 2021 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the dealer that if they find the battery in the fob is low in charge to replace the fob assembly and open it to assess the battery.

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")

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")

June 2, 2020 162620 STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT

This informational bulletin provides Information on Proper Liftgate Adjustment.

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

January 21, 2021 280000 BACK OVER PREVENTION

This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition.

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 12, 2021 100000 POWER TRAIN

This service bulletin provides information explaining possible normal CVT automatic transmission performance.

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

December 9, 2020 280000 BACK OVER PREVENTION

This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition.

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 27, 2021 140000 AIR BAGS

This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.

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

January 27, 2021 280000 BACK OVER PREVENTION

This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.

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

January 25, 2021 070000 FUEL SYSTEM, GASOLINE

This technical bulletin provides a procedure to relocate the ground wire from the G58 Emission Purge Pump to the engine block directly to correct the customers concern.

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

January 20, 2021 134000 VISIBILITY:SUN/MOON ROOF ASSEMBLY

This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant.

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")

October 7, 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

Emission Recall – General Motors has decided to conduct a voluntary emission recall on certain vehicles with a 1.2L engine (RPO LIH). These vehicles may have received incorrect catalytic converter parts that do not meet all emission system

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

October 2, 2020 063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

Emission Recall – General Motors has decided to conduct a voluntary emission recall on certain vehicles with a 1.2L engine (RPO LIH). These vehicles may have received incorrect catalytic converter parts that do not meet all emission system

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")

January 12, 2021 120000 EXTERIOR LIGHTING

Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with this condition may set DTC Code P0747 and the MIL light (malfunction indicator light) will i

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

January 12, 2021 140000 AIR BAGS

Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with this condition may set DTC Code P0747 and the MIL light (malfunction indicator light) will i

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

October 22, 2020 105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

This technical bulletin provides repair information to correct a customer concern of All-Wheel Drive Off and/or Service All-Wheel Drive System Messages Displayed in the DIC.

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

October 22, 2020 118710 ELECTRICAL SYSTEM:ADAS:HILL START ASSIST:SOFTWARE

This technical bulletin provides repair information to correct a customer concern of All-Wheel Drive Off and/or Service All-Wheel Drive System Messages Displayed in the DIC.

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 11, 2020 060000 ENGINE AND ENGINE COOLING

This service bulletin provides information on normal engine characteristics/noise produced by the LIH 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 bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing.

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

December 11, 2020 030000 BRAKES (PWS)

This service bulletin provides information for dealers/technicians on a normal characteristic of Brake Pedal – Excessive Click Noise with Slight Press of the Brake Pedal.

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 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 7, 2020 103700 POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

Emission Recall – General Motors has decided to conduct a voluntary emission recall on certain vehicles with a 1.2L engine (RPO LIH). These vehicles may have received incorrect catalytic converter parts that do not meet all emission system

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

October 2, 2020 103700 POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

Emission Recall – General Motors has decided to conduct a voluntary emission recall on certain vehicles with a 1.2L engine (RPO LIH). These vehicles may have received incorrect catalytic converter parts that do not meet all emission system

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

November 17, 2020 280000 BACK OVER PREVENTION

This Preliminary information communicates the possibility of a no start condition due crank sensor damage caused by increased crankcase pressure.

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 5, 2020 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

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 and/or reduced propulsion and multiple DTCs set.

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

November 5, 2020 119000 ELECTRICAL SYSTEM:PROPULSION 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 and/or reduced propulsion and multiple DTCs set.

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 9, 2020 030000 BRAKES (PWS)

This engineering information (EI) Lite is requesting technicians follow the steps in this EI and submit a Field Product Report with the requested information and Submit in regards to a front brake noise Condition.

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

October 6, 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 to loss of and/or reduced propulsion and multiple DTCs set.

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 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")

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 4, 2020 190000 TIRES

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

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

November 25, 2020 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).

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

November 6, 2020 132000 VISIBILITY:GLASS, SIDE/REAR

This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

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

November 6, 2020 132100 VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS

This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

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

December 11, 2020 060000 ENGINE AND ENGINE COOLING

This service bulletin provides information on normal engine characteristics/noise produced by the LIH engine.

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

December 1, 2020 357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER

This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing.

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

December 11, 2020 030000 BRAKES (PWS)

This service bulletin provides information for dealers/technicians on a normal characteristic of Brake Pedal – Excessive Click Noise with Slight Press of the Brake Pedal.

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

December 23, 2020 350000 EQUIPMENT

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

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

October 22, 2020 280100 BACK OVER PREVENTION:SOFTWARE

This technical bulletin provides repair information to correct a customer concern of All-Wheel Drive Off and/or Service All-Wheel Drive System Messages Displayed in the DIC.

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

October 22, 2020 284100 BACK OVER PREVENTION:DISPLAY FUNCTION

This technical bulletin provides repair information to correct a customer concern of All-Wheel Drive Off and/or Service All-Wheel Drive System Messages Displayed in the DIC.

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 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")

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")

June 2, 2020 162620 STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE

This informational bulletin provides Information on Proper Liftgate Adjustment.

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

June 3, 2020 160000 STRUCTURE

This technical bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant.

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

June 1, 2020 100000 POWER TRAIN

This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused by low fluid or a code set that causes the transmission to default maxing out pressure.

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

April 6, 2020 060000 ENGINE (PWS)

This informational bulletin advises of normal engine noise produced by the engine.

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

September 23, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct customer concerns of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, No Audio, AWD/ 2WD Light Toggles Randomly, Malfunction Indicator Lamp (MIL) Illuminated –

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

September 23, 2020 162600 STRUCTURE:BODY:HATCHBACK/LIFTGATE

This technical bulletin provides repair information to correct customer concerns of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, No Audio, AWD/ 2WD Light Toggles Randomly, Malfunction Indicator Lamp (MIL) Illuminated –

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

September 29, 2020 060000 ENGINE AND ENGINE COOLING

This bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing.

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

September 10, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797.

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

September 29, 2020 162000 STRUCTURE:BODY

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

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

September 29, 2020 350000 EQUIPMENT

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

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

June 16, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of check engine lamp illuminated, DTC P159F 00 set, No Audio.

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

June 16, 2020 350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of check engine lamp illuminated, DTC P159F 00 set, No Audio.

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

June 10, 2020 070000 FUEL SYSTEM, GASOLINE

This Preliminary information communicates to the dealer a testing procedure to isolate a potential Engine Oil Pump Switching issue.

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

June 10, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the dealer a testing procedure to isolate a potential Engine Oil Pump Switching issue.

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

June 10, 2020 061510 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP

This Preliminary information communicates to the dealer a testing procedure to isolate a potential Engine Oil Pump Switching issue.

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")

May 29, 2020 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)

This technical bulletin provides a procedure to replace the transmission auxiliary pump to correct a condition of start/stop inoperative, MIL illuminated w/DTC P2797.

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

May 29, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin provides a procedure to replace the transmission auxiliary pump to correct a condition of start/stop inoperative, MIL illuminated w/DTC P2797.

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

August 10, 2020 103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.

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

May 8, 2020 073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou

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

May 8, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou

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

May 8, 2020 060000 ENGINE (PWS)

This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou

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 15, 2020 054000 PARKING BRAKE:ELECTRICAL

This technical bulletin provides repair information to correct a customer concern of an Unwanted Electric Park Brake Setting.

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 18, 2020 060000 ENGINE AND ENGINE COOLING

Stop Delivery. Incorrect emission parts may have been installed on these vehicles.

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

September 21, 2020 110000 ELECTRICAL SYSTEM

Service Update – Certain vehicles may have condition that a MIL illuminates on the dash and technicians may find one or more following DTC(s) sets: P2B95, P2B08, P2B09, P2B0A, P2B96, P2B00, P2B01, or P2B02. Dealers are required to reprogra

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

June 15, 2020 100000 POWER TRAIN

Service Update – The gear shift lever may have a detent feel between Park and Reverse caused by the fastening bolt that is not fully seated and contacting the shifter housing. Dealers are to inspect the detent feel of the transmission rang

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

June 12, 2020 350000 EQUIPMENT

SUB – Certain 2020-2021 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. If this were to happen, it could cause a MIL light to

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

June 12, 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY

SUB – Certain 2020-2021 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. If this were to happen, it could cause a MIL light to

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

June 12, 2020 060000 ENGINE (PWS)

SUB – Certain 2020-2021 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. If this were to happen, it could cause a MIL light to

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

June 4, 2020 070000 FUEL SYSTEM, GASOLINE

Service Update – On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD could be set. Dealers are to perform the engine oil pump screening test and if necessary,

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

June 4, 2020 060000 ENGINE (PWS)

Service Update – On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD could be set. Dealers are to perform the engine oil pump screening test and if necessary,

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

May 21, 2020 160000 STRUCTURE

This Preliminary information communicates to the dealer that if the service AWD (All-Wheel Drive) or AWD (All-Wheel Drive) Off messages are on and there is a history DTC of C15C9 SYM02 set then no repairs are to be made at this time, a soft

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")

October 22, 2020 110000 ELECTRICAL SYSTEM

This Preliminary information communicates to the dealer that if the service AWD (All-Wheel Drive) or AWD (All-Wheel Drive) Off messages are on and there is a history DTC of C15C9 SYM02 set then no repairs are to be made at this time, a soft

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

October 16, 2020 060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates to the dealer technician a diagnostic tip related to a tapping noise from the engine.

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

May 19, 2020 100000 POWER TRAIN

SUB – Certain 2021 model year Chevrolet Trailblazer, and 2020-2021 model year Buick Encore GX vehicles, equipped with a continuously variable ratio (CVT) transmission, may experience reduced launch performance during a quick exit from a sto

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

May 19, 2020 118000 ELECTRICAL SYSTEM:SOFTWARE

SUB – Certain 2021 model year Chevrolet Trailblazer, and 2020-2021 model year Buick Encore GX vehicles, equipped with a continuously variable ratio (CVT) transmission, may experience reduced launch performance during a quick exit from a sto

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

May 19, 2020 060000 ENGINE (PWS)

SUB – Certain 2021 model year Chevrolet Trailblazer, and 2020-2021 model year Buick Encore GX vehicles, equipped with a continuously variable ratio (CVT) transmission, may experience reduced launch performance during a quick exit from a sto

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

July 28, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to correct conditions of Engine Idle Unstable, Malfunction Indicator Lamp (MIL) Illuminated – DTC P0011, P0014, P0016, P0017, P05CC and/or P05CE Set.

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

July 7, 2020 110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, No Audio, Malfunction Indicator Lamp (MIL) Illuminated – DTC P159F-00, U0184-00, U0198-00

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 CHEVROLET Trailblazer

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