Chevrolet Blazer Service Bulletins (2023)

576 manufacturer communications on file.

• January 5, 2023•Document ID: 10231624

  Service Bulletin/Repair Instructions
  POWER TRAIN; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIT5847H

  Date Added:

  February 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harness for chaffing on a bracket which is located beneath the battery tray, at a transmission stud and at the transmission oil cooler line bracket. If damage to the harness is found the technician is instructed to repair the damaged wiring and secure the harness away from the bracket so that future damage to the harness will be eliminated.

  Associated Products (19)

  2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 GMC Acadia2022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 GMC Acadia2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 GMC Acadia2019 Cadillac XT52019 Chevrolet Blazer2019 GMC Acadia
  Associated Documents

  • DownloadMC-10231624-0001.pdf↗
• January 4, 2023•Document ID: 10231613

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  PIT5967

  Date Added:

  February 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates that a vehicle may come to the dealer with a "Service Steering Message" and no codes set that pertain to the steering system. The technician is instructed to look for a P0128 and if it is set to diagnose that code and see if the message will clear.

  Associated Products (35)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Traverse2023 GMC Acadia2022 Buick Enclave2022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Traverse2022 GMC Acadia2021 Buick Enclave2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Traverse2021 GMC Acadia2020 Buick Enclave2020 Cadillac XT5+ 15 more
  Associated Documents

  • DownloadMC-10231613-0001.pdf↗
• December 23, 2022•Document ID: 10228912

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  22-NA-257

  Date Added:

  January 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.

  Associated Products (274)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 254 more
  Associated Documents

  • DownloadMC-10228912-0001.pdf↗
• December 21, 2022•Document ID: 10228906

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  09-00-89-008F

  Date Added:

  January 6, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.

  Associated Products (982)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 962 more
  Associated Documents

  • DownloadMC-10228906-0001.pdf↗
• December 16, 2022•Document ID: 10230700

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  PIT5883G

  Date Added:

  January 30, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates vehicles being built without certain options due to a parts shortage.

  Associated Products (44)

  2023 Buick Enclave2023 Buick Encore GX2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Sierra2023 GMC Terrain+ 24 more
  Associated Documents

  • DownloadMC-10230700-0001.pdf↗
• December 14, 2022•Document ID: 10228891

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  21-NA-142

  Date Added:

  January 6, 2023

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.

  Associated Products (24)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Traverse2023 GMC Acadia2022 Buick Enclave2022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Colorado2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Canyon2021 Buick Enclave2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Colorado2021 Chevrolet Traverse+ 4 more
  Associated Documents

  • DownloadMC-10228891-0001.pdf↗
• December 14, 2022•Document ID: 10228888

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  21-NA-124

  Date Added:

  January 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (932)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Suburban+ 912 more
  Associated Documents

  • DownloadMC-10228888-0001.pdf↗
• December 14, 2022•Document ID: 10228886

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  18-NA-073

  Date Added:

  January 6, 2023

  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 (375)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Suburban+ 355 more
  Associated Documents

  • DownloadMC-10228886-0001.pdf↗
• December 13, 2022•Document ID: 10228905

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; EQUIPMENT

  Mfr Comm. #:

  PIE0733

  Date Added:

  January 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the A/C being inoperable.

  Associated Products (4)

  2023 Cadillac XT52023 Chevrolet Blazer2022 Cadillac XT52022 Chevrolet Blazer
  Associated Documents

  • DownloadMC-10228905-0001.pdf↗
• December 13, 2022•Document ID: 10228863

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; POWER TRAIN

  Mfr Comm. #:

  16-NA-338

  Date Added:

  January 5, 2023

  Manufacturer:

  CHEVROLET

  Summary

  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 service record retention and proper handling of assembly returns for Canadian Dealers only.

  Associated Products (717)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Suburban+ 697 more
  Associated Documents

  • DownloadMC-10228863-0001.pdf↗
• December 12, 2022•Document ID: 10230691

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  PIT5551H

  Date Added:

  January 30, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

  Associated Products (150)

  2023 Buick Enclave2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EV2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Sierra2023 GMC Terrain2023 GMC Yukon XL2022 Buick Enclave2022 Cadillac Escalade ESV2022 Cadillac XT4+ 130 more
  Associated Documents

  • DownloadMC-10230691-0001.pdf↗
• December 12, 2022•Document ID: 10228903

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIE0732

  Date Added:

  January 6, 2023

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to having Loss of Propulsion, Loss of Traction and/or Grinding Type Noise Heard After Loss of Traction and/or Vehicle Towed Due to Half Shaft Disconnection.

  Associated Products (8)

  2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 GMC Acadia2022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia
  Associated Documents

  • DownloadMC-10228903-0001.pdf↗
• December 12, 2022•Document ID: 10228901

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-250

  Date Added:

  January 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct a customer concern of Rear View Camera Display Gridlines Dim.

  Associated Products (45)

  2023 Buick Enclave2023 Buick Encore GX2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Sierra2022 Buick Enclave2022 Buick Encore GX2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT6+ 25 more
  Associated Documents

  • DownloadMC-10228901-0001.pdf↗
• December 7, 2022•Document ID: 10228192

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-244

  Date Added:

  December 21, 2022

  Manufacturer:

  GMC

  Summary

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

  Associated Products (274)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 254 more
  Associated Documents

  • DownloadMC-10228192-0001.pdf↗
• December 7, 2022•Document ID: 10227799

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  22-NA-038

  Date Added:

  December 15, 2022

  Manufacturer:

  CADILLAC

  Summary

  This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.

  Associated Products (70)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 50 more
  Associated Documents

  • DownloadMC-10227799-0001.pdf↗
• December 6, 2022•Document ID: 10230686

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

  Mfr Comm. #:

  PIT5961

  Date Added:

  January 30, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that a vehicle may be encountered with a message "service park assist". Upon further inspection it will be found that the vehicle was built with RPO 060 - park assist delete, the vehicle is not equipped with park assist. The technician is advised that updated calibrations will be available on 12/12/2023 and is given instructions for programming the Instrument cluster.

  Associated Products (1)

  2023 Chevrolet Blazer
  Associated Documents

  • DownloadMC-10230686-0001.pdf↗
• December 6, 2022•Document ID: 10228226

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, HYDRAULIC

  Mfr Comm. #:

  22-NA-247

  Date Added:

  December 24, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.

  Associated Products (74)

  2023 Buick Enclave2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Terrain2023 GMC Yukon+ 54 more
  Associated Documents

  • DownloadMC-10228226-0001.pdf↗
• December 1, 2022•Document ID: 10227795

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-240

  Date Added:

  December 15, 2022

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair.

  Associated Products (162)

  2023 Buick Enclave2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Traverse2022 Buick Enclave2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Traverse2022 GMC Canyon2021 Buick Enclave2021 Cadillac CT5+ 142 more
  Associated Documents

  • DownloadMC-10227795-0001.pdf↗
• November 30, 2022•Document ID: 10227402

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-242

  Date Added:

  December 7, 2022

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.

  Associated Products (33)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 13 more
  Associated Documents

  • DownloadMC-10227402-0001.pdf↗
• November 30, 2022•Document ID: 10227401

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-238

  Date Added:

  December 7, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.

  Associated Products (160)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 140 more
  Associated Documents

  • DownloadMC-10227401-0001.pdf↗