Chevrolet Blazer Service Bulletins (2021)

812 manufacturer communications on file.

• August 24, 2022•Document ID: 10219362

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-174

  Date Added:

  September 7, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on Terms and Conditions/Privacy Statement App (TCPS App) Guide for infotainment systems in a default factory demo mode.

  Associated Products (31)

  2022 Buick Enclave2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Equinox2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Terrain2021 Buick Enclave2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT5+ 11 more
  Associated Documents

  • DownloadMC-10219362-0001.pdf↗
• August 23, 2022•Document ID: 10219288

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  21-NA-142

  Date Added:

  September 7, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (22)

  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+ 2 more
  Associated Documents

  • DownloadMC-10219288-0001.pdf↗
• August 22, 2022•Document ID: 10219278

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

  Mfr Comm. #:

  11-00-89-005T

  Date Added:

  September 7, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (86)

  2023 Buick Enclave2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV+ 66 more
  Associated Documents

  • DownloadMC-10219278-0001.pdf↗
• August 15, 2022•Document ID: 10219266

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20-NA-065

  Date Added:

  September 7, 2022

  Manufacturer:

  BUICK

  Summary

  This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.

  Associated Products (70)

  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 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado+ 50 more
  Associated Documents

  • DownloadMC-10219266-0001.pdf↗
• August 10, 2022•Document ID: 10218873

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-044

  Date Added:

  August 29, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  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 45002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox+ 46 more
  Associated Documents

  • DownloadMC-10218873-0001.pdf↗
• August 4, 2022•Document ID: 10217854

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-NA-169

  Date Added:

  August 16, 2022

  Manufacturer:

  BUICK

  Summary

  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.

  Associated Products (24)

  2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 GMC Acadia2022 Buick Encore GX2022 Buick Envision2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Malibu2022 Chevrolet Trailblazer2022 GMC Acadia2022 GMC Terrain2021 Buick Encore GX2021 Buick Envision2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer+ 4 more
  Associated Documents

  • DownloadMC-10217854-0001.pdf↗
• August 4, 2022•Document ID: 10217851

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20-NA-136

  Date Added:

  August 16, 2022

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).

  Associated Products (18)

  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 Acadia
  Associated Documents

  • DownloadMC-10217851-0001.pdf↗
• August 2, 2022•Document ID: 10217857

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-127

  Date Added:

  August 16, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (31)

  2022 Buick Enclave2022 Buick Encore GX2022 Buick Envision2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Malibu2022 Chevrolet Trailblazer2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Terrain2021 Buick Encore GX2021 Buick Envision2021 Cadillac XT42021 Cadillac XT5+ 11 more
  Associated Documents

  • DownloadMC-10217857-0001.pdf↗
• July 26, 2022•Document ID: 10217117

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-127

  Date Added:

  August 4, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (31)

  2022 Buick Enclave2022 Buick Encore GX2022 Buick Envision2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Malibu2022 Chevrolet Trailblazer2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Terrain2021 Buick Encore GX2021 Buick Envision2021 Cadillac XT42021 Cadillac XT5+ 11 more
  Associated Documents

  • DownloadMC-10217117-0001.pdf↗
• July 25, 2022•Document ID: 10217783

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION:COOLER/RADIATOR:HOSES AND FITTINGS; POWER TRAIN

  Mfr Comm. #:

  PIT5847E

  Date Added:

  August 15, 2022

  Manufacturer:

  CADILLAC

  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 (8)

  2022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 GMC Acadia
  Associated Documents

  • DownloadMC-10217783-0001.pdf↗
• July 22, 2022•Document ID: 10217043

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

  Mfr Comm. #:

  04-00-89-015X

  Date Added:

  August 3, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (84)

  2023 Buick Enclave2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT5+ 64 more
  Associated Documents

  • DownloadMC-10217043-0001.pdf↗
• July 21, 2022•Document ID: 10217070

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:IGNITION; POWER TRAIN

  Mfr Comm. #:

  22-NA-107

  Date Added:

  August 3, 2022

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of a Service AWD Message in DIC at Ignition On with DTC C056D Set.

  Associated Products (20)

  2022 Buick Enclave2022 Buick Envision2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Equinox2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Terrain2021 Buick Enclave2021 Buick Envision2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Equinox2021 Chevrolet Traverse2021 GMC Acadia2021 GMC Terrain
  Associated Documents

  • DownloadMC-10217070-0001.pdf↗
• July 20, 2022•Document ID: 10217052

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20-NA-136

  Date Added:

  August 3, 2022

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).

  Associated Products (10)

  2022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Traverse2022 GMC Acadia2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Traverse2021 GMC Acadia
  Associated Documents

  • DownloadMC-10217052-0001.pdf↗
• July 18, 2022•Document ID: 10217066

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  21-NA-248

  Date Added:

  August 3, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure on the A/C blows warm air intermittently and/or takes a long time to cool.

  Associated Products (4)

  2022 Chevrolet Blazer2021 Chevrolet Blazer2021 Chevrolet Equinox2021 GMC Terrain
  Associated Documents

  • DownloadMC-10217066-0001.pdf↗
• July 18, 2022•Document ID: 10217048

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

  Mfr Comm. #:

  18-NA-306

  Date Added:

  August 3, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (80)

  2023 Buick Enclave2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT5+ 60 more
  Associated Documents

  • DownloadMC-10217048-0001.pdf↗
• July 15, 2022•Document ID: 10217772

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIT5931

  Date Added:

  August 15, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification.

  Associated Products (12)

  2023 Cadillac XT52023 Chevrolet Blazer2023 Chevrolet Traverse2023 GMC Acadia2022 Cadillac XT52022 Chevrolet Blazer2022 Chevrolet Traverse2022 GMC Acadia2021 Cadillac XT52021 Chevrolet Blazer2021 Chevrolet Traverse2021 GMC Acadia
  Associated Documents

  • DownloadMC-10217772-0001.pdf↗
• July 5, 2022•Document ID: 10217764

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5569B

  Date Added:

  August 15, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.

  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-10217764-0001.pdf↗
• July 1, 2022•Document ID: 10217762

  Service Bulletin/Repair Instructions
  TIRES; EQUIPMENT

  Mfr Comm. #:

  PIT4261H

  Date Added:

  August 15, 2022

  Manufacturer:

  GMC

  Summary

  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 should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.

  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-10217762-0001.pdf↗
• June 28, 2022•Document ID: 10215655

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-135

  Date Added:

  July 12, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (82)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2022 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 3500+ 62 more
  Associated Documents

  • DownloadMC-10215655-0001.pdf↗
• June 28, 2022•Document ID: 10215652

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-094

  Date Added:

  July 12, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of a loss of cabin heat.

  Associated Products (14)

  2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 GMC Acadia
  Associated Documents

  • DownloadMC-10215652-0001.pdf↗