Chevrolet Blazer Service Bulletins

1,069 manufacturer communications on file.

• August 8, 2025•Document ID: 11022068

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6059C

  Date Added:

  August 22, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.

  Associated Products (172)

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  Associated Documents

  • DownloadMC-11022068-0001.pdf↗
• August 7, 2025•Document ID: 11021792

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC5650M

  Date Added:

  August 12, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.

  Associated Products (207)

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  Associated Documents

  • DownloadMC-11021792-0001.pdf↗
• July 18, 2025•Document ID: 11020816

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5601C

  Date Added:

  July 23, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

  Associated Products (174)

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  Associated Documents

  • DownloadMC-11020816-0001.pdf↗
• July 18, 2025•Document ID: 11020809

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5601B

  Date Added:

  July 23, 2025

  Manufacturer:

  CADILLAC

  Summary

  This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

  Associated Products (207)

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  Associated Documents

  • DownloadMC-11020809-0001.pdf↗
• July 16, 2025•Document ID: 11020880

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6274C

  Date Added:

  July 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information PI states to not replace anything at the dealership for this concern and engineering is investigating.

  Associated Products (16)

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  Associated Documents

  • DownloadMC-11020880-0001.pdf↗
• July 16, 2025•Document ID: 11020879

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6274C

  Date Added:

  July 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information PI states to not replace anything at the dealership for this concern and engineering is investigating.

  Associated Products (16)

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  Associated Documents

  • DownloadMC-11020879-0001.pdf↗
• July 16, 2025•Document ID: 11020811

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5074S

  Date Added:

  July 23, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

  Associated Products (66)

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  Associated Documents

  • DownloadMC-11020811-0001.pdf↗
• June 29, 2025•Document ID: 11019820

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6101S

  Date Added:

  June 29, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates Engineering is investigating a no audio issue.

  Associated Products (30)

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  Associated Documents

  • DownloadMC-11019820-0001.pdf↗
• June 20, 2025•Document ID: 11019670

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N252494770-01

  Date Added:

  June 20, 2025

  Manufacturer:

  CHEVROLET

  Summary

  Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.

  Associated Products (163)

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  Associated Documents

  • DownloadMC-11019670-0001.pdf↗
• June 17, 2025•Document ID: 11019591

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N252494770

  Date Added:

  June 17, 2025

  Manufacturer:

  GMC

  Summary

  Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the applicable vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.

  Associated Products (174)

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  Associated Documents

  • DownloadMC-11019591-0001.pdf↗
• June 10, 2025•Document ID: 11019823

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6180A

  Date Added:

  June 29, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.

  Associated Products (206)

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  Associated Documents

  • DownloadMC-11019823-0001.pdf↗
• June 9, 2025•Document ID: 11019693

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902S

  Date Added:

  June 24, 2025

  Manufacturer:

  CADILLAC

  Summary

  This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

  Associated Products (206)

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  Associated Documents

  • DownloadMC-11019693-0001.pdf↗
• June 7, 2025•Document ID: 11026104

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  25-NA-156

  Date Added:

  December 4, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on Tire Sidewall Irregularities.

  Associated Products (210)

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  Associated Documents

  • DownloadMC-11026104-0001.pdf↗
• June 5, 2025•Document ID: 11026017

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  00-06-01-026R

  Date Added:

  December 3, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

  Associated Products (159)

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  Associated Documents

  • DownloadMC-11026017-0001.pdf↗
• May 30, 2025•Document ID: 11019075

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5074R

  Date Added:

  June 4, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

  Associated Products (32)

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  Associated Documents

  • DownloadMC-11019075-0001.pdf↗
• May 30, 2025•Document ID: 11019074

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5074R

  Date Added:

  June 4, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

  Associated Products (206)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Equinox+ 186 more
  Associated Documents

  • DownloadMC-11019074-0001.pdf↗
• May 30, 2025•Document ID: 11019073

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5074R

  Date Added:

  June 4, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

  Associated Products (206)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Equinox+ 186 more
  Associated Documents

  • DownloadMC-11019073-0001.pdf↗
• May 30, 2025•Document ID: 11019072

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5074R

  Date Added:

  June 4, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

  Associated Products (206)

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  Associated Documents

  • DownloadMC-11019072-0001.pdf↗
• May 22, 2025•Document ID: 11018659

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5966E

  Date Added:

  May 29, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.

  Associated Products (205)

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  Associated Documents

  • DownloadMC-11018659-0001.pdf↗
• May 15, 2025•Document ID: 11024485

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  23-NA-153

  Date Added:

  October 25, 2025

  Manufacturer:

  GMC

  Summary

  The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.

  Associated Products (161)

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  Associated Documents

  • DownloadMC-11024485-0001.pdf↗