Chevrolet Blazer Service Bulletins (2020)

856 manufacturer communications on file.

• January 10, 2022•Document ID: 10213760

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  070316004D

  Date Added:

  June 13, 2022

  Manufacturer:

  GMC

  Summary

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

  Associated Products (553)

  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+ 533 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:

  CADILLAC

  Summary

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

  Associated Products (492)

  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+ 472 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 (679)

  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+ 659 more
  Associated Documents

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

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

  Mfr Comm. #:

  050604022S

  Date Added:

  June 13, 2022

  Manufacturer:

  CHEVROLET

  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 (574)

  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+ 554 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:

  CHEVROLET

  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 (692)

  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+ 672 more
  Associated Documents

  • DownloadMC-10213757-0001.pdf↗
• January 4, 2022•Document ID: 10208007

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:SOFTWARE

  Mfr Comm. #:

  PIT5839C

  Date Added:

  February 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (5)

  2021 Chevrolet Trax2020 Chevrolet Blazer2020 Chevrolet Malibu2020 Chevrolet Sonic2020 Chevrolet Trax
  Associated Documents

  • DownloadMC-10208007-0001.pdf↗
• December 21, 2021•Document ID: 10207910

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21NA181

  Date Added:

  February 14, 2022

  Manufacturer:

  GMC

  Summary

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

  Associated Products (25)

  2022 Buick Encore GX2022 Buick Envision2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia2021 Buick Encore GX2021 Buick Envision2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 GMC Acadia2021 GMC Terrain2020 Buick Encore GX2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer+ 5 more
  Associated Documents

  • DownloadMC-10207910-0001.pdf↗
• December 16, 2021•Document ID: 10212564

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  21NA005

  Date Added:

  May 31, 2022

  Manufacturer:

  GMC

  Summary

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

  Associated Products (25)

  2022 Chevrolet Blazer2022 GMC Acadia2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet 35002021 Chevrolet Blazer2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Acadia2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet 35002020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Silverado2020 Chevrolet Suburban+ 5 more
  Associated Documents

  • DownloadMC-10212564-0001.pdf↗
• December 15, 2021•Document ID: 10206730

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  PIP5675G

  Date Added:

  January 24, 2022

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history.  That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.

  Associated Products (7)

  2020 Buick Encore GX2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT52020 Chevrolet Blazer2020 GMC Acadia
  Associated Documents

  • DownloadMC-10206730-0001.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 (39)

  2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Trailblazer2022 GMC Acadia2022 GMC Sierra2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Malibu2021 Chevrolet Silverado+ 19 more
  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:

  CADILLAC

  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 (838)

  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 Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer+ 818 more
  Associated Documents

  • DownloadMC-10206726-0001.pdf↗
• December 13, 2021•Document ID: 10212556

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE:BODY:ROOF AND PILLARS

  Mfr Comm. #:

  19NA111

  Date Added:

  May 31, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of hearing a ticking noise coming from upper B-pillar area.

  Associated Products (3)

  2021 Chevrolet Blazer2020 Chevrolet Blazer2019 Chevrolet Blazer
  Associated Documents

  • DownloadMC-10212556-0001.pdf↗
• December 13, 2021•Document ID: 10207916

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

  Mfr Comm. #:

  21NA256

  Date Added:

  February 14, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (37)

  2022 Buick Encore2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Chevrolet Blazer2022 Chevrolet Silverado2022 GMC Acadia2022 GMC Sierra2021 Buick Encore2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Chevrolet Blazer2021 Chevrolet Silverado2021 GMC Acadia2021 GMC Sierra+ 17 more
  Associated Documents

  • DownloadMC-10207916-0001.pdf↗
• November 29, 2021•Document ID: 10205595

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  21NA279

  Date Added:

  December 27, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a procedure to replace the starter if found the cause of the rattle noise.

  Associated Products (25)

  2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 GMC Acadia2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT5+ 5 more
  Associated Documents

  • DownloadMC-10205595-0001.pdf↗
• November 29, 2021•Document ID: 10205554

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  21NA169

  Date Added:

  December 27, 2021

  Manufacturer:

  CADILLAC

  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 (31)

  2022 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 Blazer2021 Chevrolet Malibu2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Terrain+ 11 more
  Associated Documents

  • DownloadMC-10205554-0001.pdf↗
• November 24, 2021•Document ID: 10205593

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  21NA276

  Date Added:

  December 27, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides a procedure to correct a customer concern of Starter Not Cranking Engine, Grinding Noise When Starting?.

  Associated Products (17)

  2021 Buick Envision2021 Chevrolet Blazer2021 Chevrolet Equinox2021 GMC Acadia2021 GMC Terrain2020 Buick Envision2020 Chevrolet Blazer2020 Chevrolet Equinox2020 Chevrolet Impala2020 GMC Acadia2020 GMC Terrain2019 Buick Envision2019 Chevrolet Blazer2019 Chevrolet Equinox2019 Chevrolet Impala2019 GMC Acadia2019 GMC Terrain
  Associated Documents

  • DownloadMC-10205593-0001.pdf↗
• November 23, 2021•Document ID: 10205594

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  21NA278

  Date Added:

  December 27, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated.

  Associated Products (57)

  2022 Cadillac CT52022 Cadillac XT52022 Cadillac XT62022 Chevrolet Camaro2022 Chevrolet Colorado2022 GMC Acadia2022 GMC Canyon2021 Cadillac CT52021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 GMC Acadia2021 GMC Canyon2020 Buick Regal2020 Cadillac CT52020 Cadillac CT62020 Cadillac XT62020 Chevrolet Blazer+ 37 more
  Associated Documents

  • DownloadMC-10205594-0001.pdf↗
• November 23, 2021•Document ID: 10205541

  Service Bulletin/Repair Instructions
  POWER TRAIN; EQUIPMENT

  Mfr Comm. #:

  20NA136

  Date Added:

  December 27, 2021

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (23)

  2022 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 XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Traverse2020 GMC Acadia2019 Buick Enclave2019 Chevrolet Blazer+ 3 more
  Associated Documents

  • DownloadMC-10205541-0001.pdf↗
• November 12, 2021•Document ID: 10205577

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:COOLING SYSTEM

  Mfr Comm. #:

  21NA257

  Date Added:

  December 27, 2021

  Manufacturer:

  GMC

  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 (36)

  2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Trailblazer2022 GMC Acadia2022 GMC Sierra2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Silverado2021 Chevrolet Trailblazer+ 16 more
  Associated Documents

  • DownloadMC-10205577-0001.pdf↗
• November 9, 2021•Document ID: 10205576

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS; EXTERIOR LIGHTING; EQUIPMENT

  Mfr Comm. #:

  21NA256

  Date Added:

  December 27, 2021

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (29)

  2022 Buick Encore2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Chevrolet Blazer2022 GMC Acadia2021 Buick Encore2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Chevrolet Blazer2021 GMC Acadia2020 Buick Encore2020 Buick Encore GX2020 Cadillac CT42020 Cadillac CT5+ 9 more
  Associated Documents

  • DownloadMC-10205576-0001.pdf↗