Chevrolet Suburban Service Bulletins (2022)

1,170 manufacturer communications on file.

• August 20, 2026•Document ID: 11036392

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6551C

  Date Added:

  August 27, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

  Associated Products (210)

  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 Colorado+ 190 more
  Associated Documents

  • DownloadMC-11036392-0001.pdf↗
• August 12, 2026•Document ID: 11036143

  Service Campaign
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  N262558690-01

  Date Added:

  August 12, 2026

  Manufacturer:

  CHEVROLET

  Summary

  General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.

  Associated Products (12)

  2023 Chevrolet Colorado2023 Chevrolet Equinox2023 GMC Canyon2023 GMC Terrain2022 Buick Enclave2022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Traverse2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11036143-0001.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 (210)

  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 Colorado+ 190 more
  Associated Documents

  • DownloadMC-11035340-0001.pdf↗
• July 21, 2026•Document ID: 11035308

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5509N

  Date Added:

  July 29, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This PI provides diagnostic tips for diagnosing electric trailer brakes issues.

  Associated Products (46)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Colorado2026 Chevrolet Tahoe2026 GMC Canyon2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Colorado2025 Chevrolet Tahoe2025 GMC Canyon2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Colorado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Canyon+ 26 more
  Associated Documents

  • DownloadMC-11035308-0001.pdf↗
• June 29, 2026•Document ID: 11034785

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5910C

  Date Added:

  July 7, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with the dome light off switch not working after the BCM goes asleep. Advise dealership it is working as designed.

  Associated Products (12)

  2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11034785-0001.pdf↗
• June 29, 2026•Document ID: 11034778

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6476C

  Date Added:

  July 7, 2026

  Manufacturer:

  CADILLAC

  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 (28)

  2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 8 more
  Associated Documents

  • DownloadMC-11034778-0001.pdf↗
• June 23, 2026•Document ID: 11034769

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5966F

  Date Added:

  July 7, 2026

  Manufacturer:

  CHEVROLET

  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 (210)

  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 Colorado+ 190 more
  Associated Documents

  • DownloadMC-11034769-0001.pdf↗
• May 29, 2026•Document ID: 11033186

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6209K

  Date Added:

  June 2, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates recovery procedure after return to dealer message.

  Associated Products (20)

  2025 Chevrolet Corvette2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11033186-0001.pdf↗
• May 27, 2026•Document ID: 11033150

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6519

  Date Added:

  June 2, 2026

  Manufacturer:

  GMC

  Summary

  This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.

  Associated Products (152)

  2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Equinox2026 Chevrolet Express+ 132 more
  Associated Documents

  • DownloadMC-11033150-0001.pdf↗
• May 14, 2026•Document ID: 11032777

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5509M

  Date Added:

  May 19, 2026

  Manufacturer:

  CADILLAC

  Summary

  This PI provides diagnostic tips for diagnosing electric trailer brakes issues.

  Associated Products (36)

  2026 Chevrolet Colorado2026 GMC Canyon2025 Chevrolet Colorado2025 GMC Canyon2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Colorado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Canyon2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Colorado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Canyon2023 GMC Yukon2023 GMC Yukon XL+ 16 more
  Associated Documents

  • DownloadMC-11032777-0001.pdf↗
• May 11, 2026•Document ID: 11032764

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6423A

  Date Added:

  May 19, 2026

  Manufacturer:

  CADILLAC

  Summary

  Pi created to provide GM dealers with information on gathering information for projection issue

  Associated Products (210)

  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 Colorado+ 190 more
  Associated Documents

  • DownloadMC-11032764-0001.pdf↗
• May 11, 2026•Document ID: 11032763

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6551B

  Date Added:

  May 19, 2026

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

  Associated Products (210)

  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 Colorado+ 190 more
  Associated Documents

  • DownloadMC-11032763-0001.pdf↗
• May 6, 2026•Document ID: 11032621

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602W

  Date Added:

  May 13, 2026

  Manufacturer:

  GMC

  Summary

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

  Associated Products (20)

  2025 Chevrolet Corvette2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11032621-0001.pdf↗
• May 4, 2026•Document ID: 11032622

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602V

  Date Added:

  May 13, 2026

  Manufacturer:

  GMC

  Summary

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

  Associated Products (20)

  2025 Chevrolet Corvette2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11032622-0001.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 (52)

  2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Lyriq2026 Cadillac Optiq2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac CT42024 Cadillac CT5+ 32 more
  Associated Documents

  • DownloadMC-11031948-0001.pdf↗
• April 20, 2026•Document ID: 11031388

  Warranty Program/Extension
  WHEELS

  Mfr Comm. #:

  N252536751-01

  Date Added:

  April 20, 2026

  Manufacturer:

  CHEVROLET

  Summary

  Special Coverage. Certain vehicles listed above may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after April 17, 2026, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to April 17, 2026, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to update the control valve body spacer plate, actuator feed valve and spring in the valve body. The repairs will be made at no charge to the customer.

  Associated Products (6)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11031388-0001.pdf↗
• April 17, 2026•Document ID: 11031380

  Warranty Program/Extension
  WHEELS

  Mfr Comm. #:

  N252536751

  Date Added:

  April 17, 2026

  Manufacturer:

  GMC

  Summary

  Special Coverage. Certain vehicles listed above may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to update the control valve body spacer plate, actuator feed valve and spring in the valve body. The repairs will be made at no charge to the customer.

  Associated Products (6)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11031380-0001.pdf↗
• April 1, 2026•Document ID: 11030974

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT3271Q

  Date Added:

  April 7, 2026

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (210)

  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 Colorado+ 190 more
  Associated Documents

  • DownloadMC-11030974-0001.pdf↗
• March 9, 2026•Document ID: 11030095

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6406F

  Date Added:

  March 17, 2026

  Manufacturer:

  GMC

  Summary

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

  Associated Products (14)

  2025 Chevrolet Corvette2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11030095-0001.pdf↗
• March 9, 2026•Document ID: 11030092

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6104

  Date Added:

  March 17, 2026

  Manufacturer:

  CADILLAC

  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 (210)

  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 Colorado+ 190 more
  Associated Documents

  • DownloadMC-11030092-0001.pdf↗