GMC Yukon Service Bulletins (2027)

3 manufacturer communications on file.

• September 26, 2026•Document ID: 11037555

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5698F

  Date Added:

  September 30, 2026

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (224)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Equinox2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista+ 204 more
  Associated Documents

  • DownloadMC-11037555-0001.pdf↗
• September 22, 2026•Document ID: 11037553

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6551

  Date Added:

  September 29, 2026

  Manufacturer:

  CADILLAC

  Summary

  This preliminary information communicates an issue with of a service theft message after using the rear window defogger. Engineering is currently investigating.

  Associated Products (12)

  2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Chevrolet Tahoe2027 GMC Yukon2027 GMC Yukon XL2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL
  Associated Documents

  • DownloadMC-11037553-0001.pdf↗
• September 18, 2026•Document ID: 11037457

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6663

  Date Added:

  September 23, 2026

  Manufacturer:

  CADILLAC

  Summary

  This PI communicates the possibility of a B1599 setting and directs to contact TCSC.

  Associated Products (4)

  2027 Cadillac Lyriq2027 Chevrolet Tahoe2027 GMC Yukon2027 GMC Yukon XL
  Associated Documents

  • DownloadMC-11037457-0001.pdf↗