Chevrolet Trailblazer Service Bulletins (2021)

754 manufacturer communications on file.

• January 21, 2022•Document ID: 10212609

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

  Mfr Comm. #:

  18NA235

  Date Added:

  May 31, 2022

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (50)

  2022 Chevrolet 35002022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet 6500XD2022 Chevrolet 7500XD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Spark2022 Chevrolet Suburban2022 Chevrolet Tahoe+ 30 more
  Associated Documents

  • DownloadMC-10212609-0001.pdf↗
• January 19, 2022•Document ID: 10214198

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES

  Mfr Comm. #:

  20NA079

  Date Added:

  June 21, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (4)

  2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10214198-0001.pdf↗
• January 18, 2022•Document ID: 10212628

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

  Mfr Comm. #:

  22NA012

  Date Added:

  May 31, 2022

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (67)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 47 more
  Associated Documents

  • DownloadMC-10212628-0001.pdf↗
• January 18, 2022•Document ID: 10212605

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18NA073

  Date Added:

  May 31, 2022

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (66)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 46 more
  Associated Documents

  • DownloadMC-10212605-0001.pdf↗
• January 18, 2022•Document ID: 10208034

  Service Bulletin/Repair Instructions
  COMMUNICATION:MANUFACTURER TELEMATICS

  Mfr Comm. #:

  PIP4902P

  Date Added:

  February 14, 2022

  Manufacturer:

  BUICK

  Summary

  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 send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

  Associated Products (51)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 31 more
  Associated Documents

  • DownloadMC-10208034-0001.pdf↗
• January 14, 2022•Document ID: 10208029

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5632F

  Date Added:

  February 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  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 send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

  Associated Products (51)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 31 more
  Associated Documents

  • DownloadMC-10208029-0001.pdf↗
• January 14, 2022•Document ID: 10208027

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  PIP4723F

  Date Added:

  February 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester  and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.

  Associated Products (51)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 31 more
  Associated Documents

  • DownloadMC-10208027-0001.pdf↗
• January 13, 2022•Document ID: 10214222

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  21NA293

  Date Added:

  June 21, 2022

  Manufacturer:

  BUICK

  Summary

  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, P0236, P00C7 Set.

  Associated Products (4)

  2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10214222-0001.pdf↗
• January 13, 2022•Document ID: 10212624

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22NA008

  Date Added:

  May 31, 2022

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (4)

  2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10212624-0001.pdf↗
• January 11, 2022•Document ID: 10212625

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN

  Mfr Comm. #:

  22NA009

  Date Added:

  May 31, 2022

  Manufacturer:

  GMC

  Summary

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

  Associated Products (65)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express+ 45 more
  Associated Documents

  • DownloadMC-10212625-0001.pdf↗
• January 10, 2022•Document ID: 10213760

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  070316004D

  Date Added:

  June 13, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (62)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu+ 42 more
  Associated Documents

  • DownloadMC-10213760-0001.pdf↗
• January 6, 2022•Document ID: 10212588

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN

  Mfr Comm. #:

  16NA222

  Date Added:

  May 31, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (63)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express+ 43 more
  Associated Documents

  • DownloadMC-10212588-0001.pdf↗
• January 4, 2022•Document ID: 10213767

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  1308116001G

  Date Added:

  June 13, 2022

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (67)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 47 more
  Associated Documents

  • DownloadMC-10213767-0001.pdf↗
• January 4, 2022•Document ID: 10213759

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  050604022S

  Date Added:

  June 13, 2022

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (66)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 46 more
  Associated Documents

  • DownloadMC-10213759-0001.pdf↗
• January 4, 2022•Document ID: 10213757

  Service Bulletin/Repair Instructions
  TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

  Mfr Comm. #:

  000090002L

  Date Added:

  June 13, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (62)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu+ 42 more
  Associated Documents

  • DownloadMC-10213757-0001.pdf↗
• December 22, 2021•Document ID: 10206744

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:WIRING; ENGINE

  Mfr Comm. #:

  PIP5826B

  Date Added:

  January 24, 2022

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (2)

  2021 Buick Encore GX2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10206744-0001.pdf↗
• December 17, 2021•Document ID: 10206738

  Service Bulletin/Repair Instructions
  EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  PIP5819A

  Date Added:

  January 24, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (6)

  2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Malibu2021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10206738-0001.pdf↗
• December 16, 2021•Document ID: 10206734

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL:SOFTWARE; LANE DEPARTURE: SENSING SYSTEM: OTHER

  Mfr Comm. #:

  PIT5865A

  Date Added:

  January 24, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera.  Dealers are to replace the camera.

  Associated Products (11)

  2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Terrain2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10206734-0001.pdf↗
• December 14, 2021•Document ID: 10207917

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

  Mfr Comm. #:

  21NA257

  Date Added:

  February 14, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (19)

  2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Trailblazer2022 GMC Acadia2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Malibu2021 Chevrolet Trailblazer2021 GMC Acadia
  Associated Documents

  • DownloadMC-10207917-0001.pdf↗
• December 14, 2021•Document ID: 10206726

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5628E

  Date Added:

  January 24, 2022

  Manufacturer:

  GMC

  Summary

  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

  Associated Products (51)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 31 more
  Associated Documents

  • DownloadMC-10206726-0001.pdf↗