Chevrolet Blazer Service Bulletins (2025)

181 manufacturer communications on file.

• January 28, 2025•Document ID: 11014222

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  21-NA-135

  Date Added:

  February 12, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

  Associated Products (157)

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  Associated Documents

  • DownloadMC-11014222-0001.pdf↗
• January 27, 2025•Document ID: 11014170

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  01-08-42-001Q

  Date Added:

  February 11, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.

  Associated Products (157)

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  Associated Documents

  • DownloadMC-11014170-0001.pdf↗
• January 18, 2025•Document ID: 11013243

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  21-NA-240

  Date Added:

  January 30, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides diagnostic repair information to correct an oil leak in the engine.

  Associated Products (35)

  2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 GMC Acadia2024 Cadillac CT42024 Cadillac CT52024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 GMC Acadia2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer+ 15 more
  Associated Documents

  • DownloadMC-11013243-0001.pdf↗
• January 16, 2025•Document ID: 11013269

  Service Bulletin/Repair Instructions
  ENGINE; SEATS; STRUCTURE:BODY; ELECTRICAL SYSTEM; STEERING

  Mfr Comm. #:

  24-NA-239

  Date Added:

  January 30, 2025

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.

  Associated Products (114)

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  Associated Documents

  • DownloadMC-11013269-0001.pdf↗
• January 15, 2025•Document ID: 11013349

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIE0794D

  Date Added:

  January 31, 2025

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI Lite) ends the need for gathering further information using the Field Product Reporting (FPR) App process for vehicles where customers comment on having oil leaking from the oil pan that drives a warrantable item type of repair on said vehicles.

  Associated Products (16)

  2025 Buick Envision2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 GMC Acadia2024 Buick Envision2024 Cadillac CT42024 Cadillac CT52024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 GMC Acadia
  Associated Documents

  • DownloadMC-11013349-0001.pdf↗
• January 10, 2025•Document ID: 11013892

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  25-NA-001

  Date Added:

  February 6, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.

  Associated Products (21)

  2025 Buick Enclave2025 Buick Encore GX2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore GX2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 GMC Acadia+ 1 more
  Associated Documents

  • DownloadMC-11013892-0001.pdf↗
• January 9, 2025•Document ID: 11013069

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN; ENGINE

  Mfr Comm. #:

  09-06-04-026Z

  Date Added:

  January 23, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

  Associated Products (144)

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  Associated Documents

  • DownloadMC-11013069-0001.pdf↗
• January 9, 2025•Document ID: 11012940

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6274B

  Date Added:

  January 20, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealership technicians that if they have a customer with this issue, do not replace any parts until the repair is available.

  Associated Products (9)

  2025 Buick Enclave2025 Cadillac Lyriq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Terrain2025 GMC Yukon2025 GMC Yukon XL
  Associated Documents

  • DownloadMC-11012940-0001.pdf↗
• January 7, 2025•Document ID: 11012929

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20-NA-132

  Date Added:

  January 18, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

  Associated Products (169)

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  Associated Documents

  • DownloadMC-11012929-0001.pdf↗
• January 4, 2025•Document ID: 11012930

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  07-00-89-037U

  Date Added:

  January 18, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

  Associated Products (169)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 149 more
  Associated Documents

  • DownloadMC-11012930-0001.pdf↗
• December 16, 2024•Document ID: 11012001

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6265B

  Date Added:

  December 20, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.

  Associated Products (39)

  2025 Buick Enclave2025 Buick Envision2025 Cadillac CT42025 Cadillac CT52025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Hummer EV Pickup2025 GMC Terrain2025 GMC Yukon2024 Buick Envision2024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Cadillac Lyriq2024 Cadillac XT4+ 19 more
  Associated Documents

  • DownloadMC-11012001-0001.pdf↗
• December 14, 2024•Document ID: 11012692

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-053

  Date Added:

  January 9, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.

  Associated Products (134)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 114 more
  Associated Documents

  • DownloadMC-11012692-0001.pdf↗
• December 14, 2024•Document ID: 11012691

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-038

  Date Added:

  January 9, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (126)

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  Associated Documents

  • DownloadMC-11012691-0001.pdf↗
• December 14, 2024•Document ID: 11012690

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  18-NA-263

  Date Added:

  January 9, 2025

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).

  Associated Products (169)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 149 more
  Associated Documents

  • DownloadMC-11012690-0001.pdf↗
• December 6, 2024•Document ID: 11012189

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  January 3, 2025

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.

  Associated Products (169)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 149 more
  Associated Documents

  • DownloadMC-11012189-0001.pdf↗
• December 6, 2024•Document ID: 11011805

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5962B

  Date Added:

  December 12, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

  Associated Products (168)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe+ 148 more
  Associated Documents

  • DownloadMC-11011805-0001.pdf↗
• December 6, 2024•Document ID: 11011694

  Service Bulletin/Repair Instructions
  LANE DEPARTURE: ASSIST; UNKNOWN OR OTHER; LANE DEPARTURE: WARNING

  Mfr Comm. #:

  PIC6587

  Date Added:

  December 9, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.

  Associated Products (92)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe+ 72 more
  Associated Documents

  • DownloadMC-11011694-0001.pdf↗
• December 6, 2024•Document ID: 11011693

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; LANE DEPARTURE: WARNING; LANE DEPARTURE: ASSIST

  Mfr Comm. #:

  PIC6552D

  Date Added:

  December 9, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates how to recover the Image Processing Module.

  Associated Products (92)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe+ 72 more
  Associated Documents

  • DownloadMC-11011693-0001.pdf↗
• November 27, 2024•Document ID: 11012003

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; VISIBILITY/WIPER

  Mfr Comm. #:

  24-NA-259

  Date Added:

  December 20, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.

  Associated Products (60)

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  Associated Documents

  • DownloadMC-11012003-0001.pdf↗
• November 27, 2024•Document ID: 11011989

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  08-07-30-035I

  Date Added:

  December 19, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.

  Associated Products (156)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe2025 Chevrolet Trailblazer+ 136 more
  Associated Documents

  • DownloadMC-11011989-0001.pdf↗