Chevrolet Express Service Bulletins (2015)

1,563 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:

  CADILLAC

  Summary

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

  Associated Products (619)

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  Associated Documents

  • DownloadMC-11037555-0001.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↗
• July 21, 2026•Document ID: 11035340

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5099J

  Date Added:

  July 29, 2026

  Manufacturer:

  CHEVROLET

  Summary

  PI to help diagnose A/C concern

  Associated Products (505)

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  Associated Documents

  • DownloadMC-11035340-0001.pdf↗
• May 4, 2026•Document ID: 11032577

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6247B

  Date Added:

  May 11, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.

  Associated Products (54)

  2026 Chevrolet Blazer2026 Chevrolet Silverado2026 Chevrolet Tahoe2025 Chevrolet Blazer2025 Chevrolet Silverado2025 Chevrolet Tahoe2024 Chevrolet Blazer2024 Chevrolet Silverado2024 Chevrolet Tahoe2023 Chevrolet Silverado2023 Chevrolet Tahoe2022 Chevrolet Silverado2022 Chevrolet Tahoe2021 Chevrolet Silverado2021 Chevrolet Tahoe2020 Chevrolet Silverado2020 Chevrolet Tahoe2019 Chevrolet Express2019 Chevrolet Impala2019 Chevrolet Silverado+ 34 more
  Associated Documents

  • DownloadMC-11032577-0001.pdf↗
• April 1, 2026•Document ID: 11030974

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT3271Q

  Date Added:

  April 7, 2026

  Manufacturer:

  CADILLAC

  Summary

  This preliminary information communicates information about how to determine if a wheel and tires size change is available.

  Associated Products (736)

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  Associated Documents

  • DownloadMC-11030974-0001.pdf↗
• March 9, 2026•Document ID: 11030092

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6104

  Date Added:

  March 17, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

  Associated Products (736)

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  Associated Documents

  • DownloadMC-11030092-0001.pdf↗
• March 9, 2026•Document ID: 11030091

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902V

  Date Added:

  March 17, 2026

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (736)

  2027 Chevrolet Bolt EV2026 Buick Enclave2026 Buick Encore2026 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 Blazer+ 716 more
  Associated Documents

  • DownloadMC-11030091-0001.pdf↗
• January 16, 2026•Document ID: 11027698

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6400A

  Date Added:

  January 19, 2026

  Manufacturer:

  CADILLAC

  Summary

  This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.

  Associated Products (148)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Express2026 Chevrolet Silverado2026 Chevrolet Suburban2026 GMC Savana2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Express2025 Chevrolet Silverado2025 Chevrolet Suburban2025 GMC Savana2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV+ 128 more
  Associated Documents

  • DownloadMC-11027698-0001.pdf↗
• January 8, 2026•Document ID: 11027601

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902U

  Date Added:

  January 13, 2026

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (735)

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  Associated Documents

  • DownloadMC-11027601-0001.pdf↗
• November 20, 2025•Document ID: 11025755

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5214G

  Date Added:

  November 28, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.

  Associated Products (736)

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  Associated Documents

  • DownloadMC-11025755-0001.pdf↗
• November 4, 2025•Document ID: 11025454

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6448

  Date Added:

  November 10, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information states to reuse a fastener during a front sensor replacement due to a supply issue.

  Associated Products (16)

  2015 Chevrolet Express2015 GMC Savana2014 Chevrolet Express2014 GMC Savana2013 Chevrolet Express2013 GMC Savana2012 Chevrolet Express2012 GMC Savana2011 Chevrolet Express2011 GMC Savana2010 Chevrolet Express2010 GMC Savana2009 Chevrolet Express2009 GMC Savana2008 Chevrolet Express2008 GMC Savana
  Associated Documents

  • DownloadMC-11025454-0001.pdf↗
• October 30, 2025•Document ID: 11024785

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6448

  Date Added:

  November 3, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information states to reuse a fastener during a front sensor replacement due to a supply issue.

  Associated Products (16)

  2015 Chevrolet Express2015 GMC Savana2014 Chevrolet Express2014 GMC Savana2013 Chevrolet Express2013 GMC Savana2012 Chevrolet Express2012 GMC Savana2011 Chevrolet Express2011 GMC Savana2010 Chevrolet Express2010 GMC Savana2009 Chevrolet Express2009 GMC Savana2008 Chevrolet Express2008 GMC Savana
  Associated Documents

  • DownloadMC-11024785-0001.pdf↗
• September 9, 2025•Document ID: 11023091

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  13598

  Date Added:

  September 10, 2025

  Manufacturer:

  GMC

  Summary

  New Vehicle Monitoring Programs Section in IVH

  Associated Products (843)

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  Associated Documents

  • DownloadMC-11023091-0001.pdf↗
• August 14, 2025•Document ID: 11022084

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902T

  Date Added:

  August 22, 2025

  Manufacturer:

  GMC

  Summary

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

  Associated Products (681)

  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 BrightDrop2026 Chevrolet Colorado+ 661 more
  Associated Documents

  • DownloadMC-11022084-0001.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 (896)

  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 BrightDrop2026 Chevrolet Colorado+ 876 more
  Associated Documents

  • DownloadMC-11021792-0001.pdf↗
• August 5, 2025•Document ID: 11022071

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6247A

  Date Added:

  August 22, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.

  Associated Products (61)

  2025 Chevrolet Blazer2025 Chevrolet Silverado2025 Chevrolet Suburban2024 Chevrolet Blazer2024 Chevrolet Express2024 Chevrolet Silverado2024 Chevrolet Tahoe2023 Chevrolet Express2023 Chevrolet Silverado2023 Chevrolet Tahoe2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 Chevrolet Tahoe2021 Chevrolet Silverado2021 Chevrolet Tahoe2020 Chevrolet Silverado2020 Chevrolet Tahoe2019 Chevrolet Express2019 Chevrolet Impala+ 41 more
  Associated Documents

  • DownloadMC-11022071-0001.pdf↗
• June 17, 2025•Document ID: 11019845

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6400

  Date Added:

  June 30, 2025

  Manufacturer:

  CADILLAC

  Summary

  This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.

  Associated Products (153)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Express2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Savana2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Express2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Savana2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL+ 133 more
  Associated Documents

  • DownloadMC-11019845-0001.pdf↗
• June 9, 2025•Document ID: 11019693

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902S

  Date Added:

  June 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (731)

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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:

  CADILLAC

  Summary

  This service bulletin provides information on Tire Sidewall Irregularities.

  Associated Products (710)

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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:

  BUICK

  Summary

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

  Associated Products (633)

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  Associated Documents

  • DownloadMC-11026017-0001.pdf↗