Chevrolet Silverado Service Bulletins (2026)

338 manufacturer communications on file.

• April 30, 2026•Document ID: 11032560

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6540G

  Date Added:

  May 8, 2026

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (152)

  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+ 132 more
  Associated Documents

  • DownloadMC-11032560-0001.pdf↗
• April 30, 2026•Document ID: 11032559

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6540G

  Date Added:

  May 8, 2026

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (152)

  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+ 132 more
  Associated Documents

  • DownloadMC-11032559-0001.pdf↗
• April 30, 2026•Document ID: 11031749

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602U

  Date Added:

  April 30, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

  Associated Products (31)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 BrightDrop Zevo2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 11 more
  Associated Documents

  • DownloadMC-11031749-0001.pdf↗
• April 28, 2026•Document ID: 11031824

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  661.40

  Date Added:

  May 1, 2026

  Manufacturer:

  CHEVROLET

  Summary

  • Fixes to help ensure successful vehicle software updates • Improvements to the availability of driver assistance features

  Associated Products (2)

  2026 Chevrolet Silverado2026 GMC Sierra
  Associated Documents

  • DownloadMC-11031824-0001.pdf↗
• April 28, 2026•Document ID: 11032554

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6393K

  Date Added:

  May 8, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.

  Associated Products (60)

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  Associated Documents

  • DownloadMC-11032554-0001.pdf↗
• April 25, 2026•Document ID: 11031948

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6511

  Date Added:

  May 2, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with a replace or low FOB battery message

  Associated Products (66)

  2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Lyriq2026 Cadillac Optiq2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Silverado2025 Chevrolet Suburban+ 46 more
  Associated Documents

  • DownloadMC-11031948-0001.pdf↗
• April 24, 2026•Document ID: 11031946

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6406G

  Date Added:

  May 2, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD

  Associated Products (24)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Silverado2022 Chevrolet Suburban+ 4 more
  Associated Documents

  • DownloadMC-11031946-0001.pdf↗
• April 23, 2026•Document ID: 11031745

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6629D

  Date Added:

  April 30, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

  Associated Products (95)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 Chevrolet Traverse+ 75 more
  Associated Documents

  • DownloadMC-11031745-0001.pdf↗
• April 22, 2026•Document ID: 11031709

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6017B

  Date Added:

  April 29, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the option.

  Associated Products (10)

  2026 Chevrolet Silverado2026 Chevrolet Tahoe2025 Chevrolet Silverado2025 Chevrolet Tahoe2024 Chevrolet Silverado2024 Chevrolet Tahoe2023 Chevrolet Silverado2023 Chevrolet Tahoe2022 Chevrolet Silverado2022 Chevrolet Tahoe
  Associated Documents

  • DownloadMC-11031709-0001.pdf↗
• April 21, 2026•Document ID: 11031708

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6452D

  Date Added:

  April 29, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times

  Associated Products (16)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL
  Associated Documents

  • DownloadMC-11031708-0001.pdf↗
• April 20, 2026•Document ID: 11031386

  Service Campaign
  STRUCTURE:BODY

  Mfr Comm. #:

  N262547670

  Date Added:

  April 20, 2026

  Manufacturer:

  CHEVROLET

  Summary

  Certain vehicles listed above may have a condition in which there are splits in the cab door ring in the rear outboard side of the roof ditch and exterior cab door ring. Dealers will inspect the rear outboard roof ditch area of the cab door ring and the exterior cab door ring, and weld and seal any identified splits as necessary.

  Associated Products (2)

  2026 Chevrolet Silverado2026 GMC Sierra
  Associated Documents

  • DownloadMC-11031386-0001.pdf↗
• April 16, 2026•Document ID: 11031366

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N262547330

  Date Added:

  April 17, 2026

  Manufacturer:

  CHEVROLET

  Summary

  Certain vehicles, may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. Important: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.

  Associated Products (32)

  2026 Buick Enclave2026 Cadillac CT52026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Terrain2025 Buick Enclave2025 Cadillac Celestiq2025 Cadillac CT52025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT4+ 12 more
  Associated Documents

  • DownloadMC-11031366-0001.pdf↗
• April 14, 2026•Document ID: 11031514

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6503

  Date Added:

  April 23, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.

  Associated Products (114)

  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+ 94 more
  Associated Documents

  • DownloadMC-11031514-0001.pdf↗
• April 13, 2026•Document ID: 11031509

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5689N

  Date Added:

  April 23, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.

  Associated Products (16)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-11031509-0001.pdf↗
• April 13, 2026•Document ID: 11031271

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N262546840

  Date Added:

  April 13, 2026

  Manufacturer:

  CHEVROLET

  Summary

  Customer Satisfaction Program. On certain vehicles listed above, the customer was charged for a back-up alarm calibration which was not provided with the vehicle. Dealers will provide the customer with a reimbursement check in the amount of $50.00 (USD) / $85.00 (CAD).

  Associated Products (2)

  2026 Chevrolet Silverado2025 Chevrolet Silverado
  Associated Documents

  • DownloadMC-11031271-0001.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)

  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-11030974-0001.pdf↗
• April 1, 2026•Document ID: 11030439

  Service Campaign
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  N252529080

  Date Added:

  April 1, 2026

  Manufacturer:

  CADILLAC

  Summary

  Service Update. Certain vehicles listed above may be missing a high voltage header plug on the RESS battery pack drive motor connector. Dealers are to inspect the RESS pack connectors and install the proper HV Header Plug if missing.

  Associated Products (17)

  2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet Silverado2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2025 Cadillac Escalade IQ2025 Chevrolet BrightDrop2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 BrightDrop Zevo2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra
  Associated Documents

  • DownloadMC-11030439-0001.pdf↗
• March 27, 2026•Document ID: 11030361

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6368C

  Date Added:

  March 31, 2026

  Manufacturer:

  CHEVROLET

  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 (40)

  2026 Buick Enclave2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Terrain2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave+ 20 more
  Associated Documents

  • DownloadMC-11030361-0001.pdf↗
• March 26, 2026•Document ID: 11030356

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6476A

  Date Added:

  March 31, 2026

  Manufacturer:

  GMC

  Summary

  This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery connections and for any aftermarket devices.

  Associated Products (30)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Silverado2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV+ 10 more
  Associated Documents

  • DownloadMC-11030356-0001.pdf↗
• March 24, 2026•Document ID: 11030353

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6473E

  Date Added:

  March 31, 2026

  Manufacturer:

  GMC

  Summary

  This PI was created to help avoid unnecessary front camera module replacements

  Associated Products (16)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-11030353-0001.pdf↗