Chevrolet Equinox Service Bulletins (2027)

24 manufacturer communications on file.

• October 24, 2026•Document ID: 11038744

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6368F

  Date Added:

  October 29, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener and to replace the opener with a new updated part.

  Associated Products (57)

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  Associated Documents

  • DownloadMC-11038744-0001.pdf↗
• October 16, 2026•Document ID: 11038587

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6534A

  Date Added:

  October 19, 2026

  Manufacturer:

  GMC

  Summary

  Onstar connectivity features may be inoperative. Dealer is instructed how to reset the onstar module. Engineering is investigating a solution.

  Associated Products (5)

  2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Corvette2027 Chevrolet Equinox2027 GMC Terrain
  Associated Documents

  • DownloadMC-11038587-0001.pdf↗
• October 15, 2026•Document ID: 11038588

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6556

  Date Added:

  October 19, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary Information, describes a condition where the HVAC will make noise when changing modes while HVAC is warm. Engineering is aware and no fix available at the time.

  Associated Products (6)

  2027 Chevrolet Equinox2027 GMC Terrain2026 Chevrolet Equinox2026 GMC Terrain2025 Chevrolet Equinox2025 GMC Terrain
  Associated Documents

  • DownloadMC-11038588-0001.pdf↗
• October 15, 2026•Document ID: 11038584

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6555

  Date Added:

  October 19, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary information describes an issue where the fuel pump makes a loud noise that engineering is currently investigating.

  Associated Products (6)

  2027 Chevrolet Equinox2027 GMC Terrain2026 Chevrolet Equinox2026 GMC Terrain2025 Chevrolet Equinox2025 GMC Terrain
  Associated Documents

  • DownloadMC-11038584-0001.pdf↗
• October 8, 2026•Document ID: 11038821

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Gateway 2026.3

  Date Added:

  October 31, 2026

  Manufacturer:

  GMC

  Summary

  This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior.

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  2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Optiq2027 Chevrolet Equinox2027 Chevrolet Tahoe2026 Buick Envision2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Optiq2026 Chevrolet BrightDrop2026 Chevrolet Corvette2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq+ 22 more
  Associated Documents

  • DownloadMC-11038821-0001.pdf↗
• October 3, 2026•Document ID: 11038823

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Telematics 2026.3

  Date Added:

  October 31, 2026

  Manufacturer:

  GMC

  Summary

  • Improved reliability of connected services, including OnStar, Wi-Fi hotspot, and navigation • Enhanced emergency calling performance • Improvements to maintain access to Super Cruise following vehicle software updates • Improved battery management during vehicle software updates

  Associated Products (11)

  2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Optiq2027 Chevrolet Blazer2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Yukon2027 GMC Yukon XL2026 Chevrolet Equinox2025 Chevrolet Equinox
  Associated Documents

  • DownloadMC-11038823-0001.pdf↗
• September 28, 2026•Document ID: 11038136

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6457C

  Date Added:

  October 5, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.

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  Associated Documents

  • DownloadMC-11038136-0001.pdf↗
• September 28, 2026•Document ID: 11038132

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6540K

  Date Added:

  October 5, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers a procedure to reset the radio.

  Associated Products (173)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 153 more
  Associated Documents

  • DownloadMC-11038132-0001.pdf↗
• September 28, 2026•Document ID: 11037797

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6368E

  Date Added:

  October 2, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.

  Associated Products (63)

  2027 Buick Enclave2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Equinox2027 Chevrolet Silverado2027 Chevrolet Suburban2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL2026 Buick Enclave2026 Cadillac Escalade+ 43 more
  Associated Documents

  • DownloadMC-11037797-0001.pdf↗
• September 26, 2026•Document ID: 11037756

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  7.90

  Date Added:

  October 2, 2026

  Manufacturer:

  GMC

  Summary

  Great News! Your vehicle keeps getting better. This update contains a required software change to help improve the overall software update and diagnostics process. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

  Associated Products (2)

  2027 Chevrolet Equinox2027 GMC Terrain
  Associated Documents

  • DownloadMC-11037756-0001.pdf↗
• September 26, 2026•Document ID: 11037555

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5698F

  Date Added:

  September 30, 2026

  Manufacturer:

  CADILLAC

  Summary

  This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.

  Associated Products (619)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 599 more
  Associated Documents

  • DownloadMC-11037555-0001.pdf↗
• September 15, 2026•Document ID: 11037446

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6426C

  Date Added:

  September 22, 2026

  Manufacturer:

  GMC

  Summary

  If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.

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  Associated Documents

  • DownloadMC-11037446-0001.pdf↗
• September 4, 2026•Document ID: 11037253

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902W

  Date Added:

  September 10, 2026

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (751)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista+ 731 more
  Associated Documents

  • DownloadMC-11037253-0001.pdf↗
• September 3, 2026•Document ID: 11037259

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6542A

  Date Added:

  September 10, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information addresses a clunk noise in the front suspension traced to the control arm bushings.

  Associated Products (6)

  2027 Chevrolet Equinox2027 GMC Terrain2026 Chevrolet Equinox2026 GMC Terrain2025 Chevrolet Equinox2025 GMC Terrain
  Associated Documents

  • DownloadMC-11037259-0001.pdf↗
• August 31, 2026•Document ID: 11037109

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6542

  Date Added:

  September 6, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information addresses a clunk noise in the front suspension traced to the control arm bushings.

  Associated Products (6)

  2027 Chevrolet Equinox2027 GMC Terrain2026 Chevrolet Equinox2026 GMC Terrain2025 Chevrolet Equinox2025 GMC Terrain
  Associated Documents

  • DownloadMC-11037109-0001.pdf↗
• August 27, 2026•Document ID: 11036690

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6541

  Date Added:

  September 2, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication

  Associated Products (130)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista+ 110 more
  Associated Documents

  • DownloadMC-11036690-0001.pdf↗
• August 18, 2026•Document ID: 11036395

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6534

  Date Added:

  August 27, 2026

  Manufacturer:

  CADILLAC

  Summary

  Onstar connectivity features may be inoperative. Dealer is instructed how to reset the onstar module. Engineering is investigating a solution.

  Associated Products (10)

  2027 Buick Enclave2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain
  Associated Documents

  • DownloadMC-11036395-0001.pdf↗
• August 18, 2026•Document ID: 11036394

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6656A

  Date Added:

  August 27, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician the direction needed when encounter a noise complaint for the rear disc brakes.

  Associated Products (7)

  2027 Cadillac Optiq2027 Chevrolet Equinox2026 Cadillac Optiq2026 Chevrolet Equinox2025 Cadillac Optiq2025 Chevrolet Equinox2024 Chevrolet Equinox
  Associated Documents

  • DownloadMC-11036394-0001.pdf↗
• August 14, 2026•Document ID: 11036221

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6537

  Date Added:

  August 17, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary Information describes steps needed to resolve a rattle or vibration from the door panel.

  Associated Products (6)

  2027 Chevrolet Equinox2027 GMC Terrain2026 Chevrolet Equinox2026 GMC Terrain2025 Chevrolet Equinox2025 GMC Terrain
  Associated Documents

  • DownloadMC-11036221-0001.pdf↗
• July 30, 2026•Document ID: 11035710

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6517C

  Date Added:

  August 5, 2026

  Manufacturer:

  CADILLAC

  Summary

  This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.

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  Associated Documents

  • DownloadMC-11035710-0001.pdf↗