Chevrolet Blazer Service Bulletins (2020)

856 manufacturer communications on file.

• January 29, 2021•Document ID: 10188403

  Service Bulletin/Repair Instructions
  SUSPENSION:FRONT:SHOCK ABSORBER; SUSPENSION:FRONT:MACPHERSON STRUT; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

  Mfr Comm. #:

  150089004C

  Date Added:

  March 8, 2021

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (598)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 578 more
  Associated Documents

  • DownloadMC-10188403-0001.pdf↗
• January 29, 2021•Document ID: 10188401

  Service Bulletin/Repair Instructions
  STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

  Mfr Comm. #:

  21NA026

  Date Added:

  March 8, 2021

  Manufacturer:

  GMC

  Summary

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

  Associated Products (376)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 356 more
  Associated Documents

  • DownloadMC-10188401-0001.pdf↗
• January 26, 2021•Document ID: 10188402

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  030846004X

  Date Added:

  March 8, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended.

  Associated Products (20)

  2020 Buick Enclave2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Spark2020 Chevrolet Traverse2020 GMC Acadia2020 GMC Sierra2020 GMC Terrain
  Associated Documents

  • DownloadMC-10188402-0001.pdf↗
• January 25, 2021•Document ID: 10187754

  Service Bulletin/Repair Instructions
  SUSPENSION; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  20NA033

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to modify the rear suspension rebound pin and reinstall to correct a condition of Squeak/Creak Noise from Rear Suspension.

  Associated Products (15)

  2021 Buick Enclave2021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Traverse2021 GMC Acadia2020 Buick Enclave2020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Traverse2020 GMC Acadia2019 Buick Enclave2019 Chevrolet Blazer2019 Chevrolet Traverse2018 Buick Enclave2018 Chevrolet Traverse
  Associated Documents

  • DownloadMC-10187754-0001.pdf↗
• January 22, 2021•Document ID: 10187745

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18NA073

  Date Added:

  March 1, 2021

  Manufacturer:

  CADILLAC

  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 (275)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Spark+ 255 more
  Associated Documents

  • DownloadMC-10187745-0001.pdf↗
• January 20, 2021•Document ID: 10188407

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0588B

  Date Added:

  March 8, 2021

  Manufacturer:

  GMC

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to multiple DTC?s set after a battery discharge, jump start and/or battery replacement.

  Associated Products (10)

  2020 Buick Enclave2020 Chevrolet Blazer2020 Chevrolet Equinox2020 GMC Acadia2020 GMC Terrain2019 Buick Enclave2019 Chevrolet Blazer2019 Chevrolet Equinox2019 GMC Acadia2019 GMC Terrain
  Associated Documents

  • DownloadMC-10188407-0001.pdf↗
• January 14, 2021•Document ID: 10187228

  Service Bulletin/Repair Instructions
  POWER TRAIN; EXTERIOR LIGHTING; AIR BAGS

  Mfr Comm. #:

  N202321840

  Date Added:

  February 16, 2021

  Manufacturer:

  GMC

  Summary

  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 illuminate. This typically occurs at low mileage. Dealers will inspect the transmission by following the procedure and if it fails, the transmission will be replaced.

  Associated Products (5)

  2021 Chevrolet Blazer2021 GMC Terrain2020 Chevrolet Blazer2020 Chevrolet Equinox2020 GMC Terrain
  Associated Documents

  • DownloadMC-10187228-0001.pdf↗
• January 13, 2021•Document ID: 10188417

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  PIE0608A

  Date Added:

  March 8, 2021

  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 Service AWD Lamp illuminated on the Driver Information Center (DIC) and also having multiple DTCs set.

  Associated Products (21)

  2021 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 Blazer2019 Chevrolet Traverse2019 GMC Acadia2018 Buick Enclave2018 Chevrolet Traverse2018 GMC Acadia2017 Buick Enclave+ 1 more
  Associated Documents

  • DownloadMC-10188417-0001.pdf↗
• January 8, 2021•Document ID: 10188416

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0608

  Date Added:

  March 8, 2021

  Manufacturer:

  BUICK

  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 Service AWD Lamp illuminated on the Driver Information Center (DIC) and also having multiple DTCs set.

  Associated Products (21)

  2021 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 Blazer2019 Chevrolet Traverse2019 GMC Acadia2018 Buick Enclave2018 Chevrolet Traverse2018 GMC Acadia2017 Buick Enclave+ 1 more
  Associated Documents

  • DownloadMC-10188416-0001.pdf↗
• December 29, 2020•Document ID: 10187205

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

  Mfr Comm. #:

  PIP5730A

  Date Added:

  February 16, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018.

  Associated Products (49)

  2021 Cadillac CT52021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2020 Buick Regal2020 Cadillac CT52020 Cadillac CT62020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 GMC Acadia2020 GMC Canyon2019 Buick LaCrosse2019 Buick Regal2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS+ 29 more
  Associated Documents

  • DownloadMC-10187205-0001.pdf↗
• December 29, 2020•Document ID: 10185754

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIP5730A

  Date Added:

  January 25, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018.

  Associated Products (49)

  2021 Cadillac CT52021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2020 Buick Regal2020 Cadillac CT52020 Cadillac CT62020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 GMC Acadia2020 GMC Canyon2019 Buick LaCrosse2019 Buick Regal2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS+ 29 more
  Associated Documents

  • DownloadMC-10185754-0001.pdf↗
• December 23, 2020•Document ID: 10187379

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA306

  Date Added:

  February 22, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (396)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 376 more
  Associated Documents

  • DownloadMC-10187379-0001.pdf↗
• December 23, 2020•Document ID: 10186065

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA306

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (401)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 381 more
  Associated Documents

  • DownloadMC-10186065-0001.pdf↗
• December 17, 2020•Document ID: 10187428

  Service Bulletin/Repair Instructions
  EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

  Mfr Comm. #:

  20NA235

  Date Added:

  February 22, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.

  Associated Products (58)

  2021 Buick Enclave2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac CT62021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Traverse2021 GMC Acadia+ 38 more
  Associated Documents

  • DownloadMC-10187428-0001.pdf↗
• December 17, 2020•Document ID: 10186101

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT

  Mfr Comm. #:

  20NA235

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.

  Associated Products (55)

  2021 Buick Enclave2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Traverse2021 GMC Acadia2021 GMC Canyon+ 35 more
  Associated Documents

  • DownloadMC-10186101-0001.pdf↗
• December 16, 2020•Document ID: 10187625

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

  Mfr Comm. #:

  010601011L

  Date Added:

  March 1, 2021

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (677)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 657 more
  Associated Documents

  • DownloadMC-10187625-0001.pdf↗
• December 16, 2020•Document ID: 10186104

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; EQUIPMENT

  Mfr Comm. #:

  010601011L

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (706)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 686 more
  Associated Documents

  • DownloadMC-10186104-0001.pdf↗
• December 15, 2020•Document ID: 10187426

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA232

  Date Added:

  February 22, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides a service procedure to correct a customer concern of Power Liftgate Stops When Opening and/or Will Not Close from Open Position DTC B153F Sets.

  Associated Products (23)

  2021 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 Cadillac XT52019 Chevrolet Blazer2019 Chevrolet Traverse2019 GMC Acadia2018 Buick Enclave2018 Cadillac XT52018 Chevrolet Traverse+ 3 more
  Associated Documents

  • DownloadMC-10187426-0001.pdf↗
• December 15, 2020•Document ID: 10186099

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT

  Mfr Comm. #:

  20NA232

  Date Added:

  February 1, 2021

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides a service procedure to correct a customer concern of Power Liftgate Stops When Opening and/or Will Not Close from Open Position DTC B153F Sets.

  Associated Products (23)

  2021 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 Cadillac XT52019 Chevrolet Blazer2019 Chevrolet Traverse2019 GMC Acadia2018 Buick Enclave2018 Cadillac XT52018 Chevrolet Traverse+ 3 more
  Associated Documents

  • DownloadMC-10186099-0001.pdf↗
• December 14, 2020•Document ID: 10187615

  Service Bulletin/Repair Instructions
  TRAILER HITCHES; EQUIPMENT

  Mfr Comm. #:

  N202318400

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  Service Update Bulletin. In certain vehicles, the rear trailer hitch cover may be warped and loose. A rattling noise may occur, and in some cases, the cover may fall off of the vehicle. Dealers are to inspect the rear bumper fascia trailer hitch cover and replace if necessary.

  Associated Products (1)

  2020 Chevrolet Blazer
  Associated Documents

  • DownloadMC-10187615-0001.pdf↗