Chevrolet Express Service Bulletins (2023)

382 manufacturer communications on file.

• 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 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 (190)

  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+ 170 more
  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 (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↗
• 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 (726)

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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:

  CHEVROLET

  Summary

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

  Associated Products (275)

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  Associated Documents

  • DownloadMC-11020809-0001.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 (37)

  2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Express2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Savana2025 GMC Sierra2025 GMC Yukon2024 Buick Enclave2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Blazer2024 Chevrolet Express2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Traverse2024 GMC Savana+ 17 more
  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 (305)

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  Associated Documents

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

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N252494770

  Date Added:

  June 17, 2025

  Manufacturer:

  BUICK

  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 (331)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac Celestiq2025 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 BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette+ 311 more
  Associated Documents

  • DownloadMC-11019591-0001.pdf↗
• June 12, 2025•Document ID: 11019822

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6110G

  Date Added:

  June 29, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with the SES MIL and DTC P062B P060C and engineering is currently investigating.

  Associated Products (24)

  2026 Cadillac Escalade ESV2025 Cadillac Escalade2025 Chevrolet Express2025 Chevrolet Silverado2025 GMC Savana2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Express2024 Chevrolet Silverado2024 GMC Savana2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Express2023 Chevrolet Silverado+ 4 more
  Associated Documents

  • DownloadMC-11019822-0001.pdf↗
• June 12, 2025•Document ID: 11019821

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6110G

  Date Added:

  June 29, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with the SES MIL and DTC P062B P060C and engineering is currently investigating.

  Associated Products (24)

  2026 Cadillac Escalade ESV2025 Cadillac Escalade2025 Chevrolet Express2025 Chevrolet Silverado2025 GMC Savana2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Express2024 Chevrolet Silverado2024 GMC Savana2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Express2023 Chevrolet Silverado+ 4 more
  Associated Documents

  • DownloadMC-11019821-0001.pdf↗
• June 10, 2025•Document ID: 11019823

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6180A

  Date Added:

  June 29, 2025

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (415)

  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+ 395 more
  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:

  CHEVROLET

  Summary

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

  Associated Products (731)

  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+ 711 more
  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)

  2026 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 Blazer2026 Chevrolet BrightDrop+ 690 more
  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↗
• May 30, 2025•Document ID: 11019074

  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 (1004)

  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+ 984 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 (1004)

  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+ 984 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 (1004)

  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+ 984 more
  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 (228)

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  Associated Documents

  • DownloadMC-11018659-0001.pdf↗