Chevrolet Suburban Service Bulletins (2021)

1,441 manufacturer communications on file.

• August 15, 2024•Document ID: 11006424

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT6015B

  Date Added:

  August 15, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.

  Associated Products (22)

  2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban+ 2 more
  Associated Documents

  • DownloadMC-11006424-0001.pdf↗
• August 15, 2024•Document ID: 11006423

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT5801D

  Date Added:

  August 15, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.

  Associated Products (16)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11006423-0001.pdf↗
• August 15, 2024•Document ID: 11006414

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT5923B

  Date Added:

  August 15, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the proper component naming and labor operation codes for the air leveling system RPO F47and the Electronic Suspension Control System RPO Z95

  Associated Products (16)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11006414-0001.pdf↗
• August 14, 2024•Document ID: 11006357

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5832P

  Date Added:

  August 14, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

  Associated Products (55)

  2024 BrightDrop Zevo2024 Buick Envision2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Traverse2024 GMC Acadia2024 GMC Canyon2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon+ 35 more
  Associated Documents

  • DownloadMC-11006357-0001.pdf↗
• August 14, 2024•Document ID: 11006356

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT6144A

  Date Added:

  August 14, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 caused by a pinched air inlet hose to the suspension compressor air leveling system.

  Associated Products (19)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11006356-0001.pdf↗
• August 13, 2024•Document ID: 11006334

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT6102A

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the possibility of their IP speaker(s) either blown or inoperative.

  Associated Products (12)

  2024 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-11006334-0001.pdf↗
• August 13, 2024•Document ID: 11006317

  Service Bulletin/Repair Instructions
  SEATS

  Mfr Comm. #:

  PIT6180

  Date Added:

  August 13, 2024

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (190)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer+ 170 more
  Associated Documents

  • DownloadMC-11006317-0001.pdf↗
• August 13, 2024•Document ID: 11006316

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT6134A

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.

  Associated Products (28)

  2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban+ 8 more
  Associated Documents

  • DownloadMC-11006316-0001.pdf↗
• August 13, 2024•Document ID: 11006313

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5832N

  Date Added:

  August 13, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

  Associated Products (49)

  2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Lyriq2023 Chevrolet Colorado2023 Chevrolet Corvette+ 29 more
  Associated Documents

  • DownloadMC-11006313-0001.pdf↗
• August 13, 2024•Document ID: 11006310

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5993B

  Date Added:

  August 13, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm.  Dealers are to inspect the glass breakage loop.

  Associated Products (16)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11006310-0001.pdf↗
• August 13, 2024•Document ID: 11006294

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5832M

  Date Added:

  August 13, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

  Associated Products (47)

  2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Lyriq2023 Chevrolet Colorado2023 Chevrolet Corvette+ 27 more
  Associated Documents

  • DownloadMC-11006294-0001.pdf↗
• August 13, 2024•Document ID: 11006293

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5569B

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.

  Associated Products (353)

  2024 Buick Enclave2024 Buick Encore2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Traverse2024 GMC Canyon+ 333 more
  Associated Documents

  • DownloadMC-11006293-0001.pdf↗
• August 13, 2024•Document ID: 11006283

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6551

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (55)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 35 more
  Associated Documents

  • DownloadMC-11006283-0001.pdf↗
• August 13, 2024•Document ID: 11006274

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5195H

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.

  Associated Products (176)

  2024 Chevrolet Camaro2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Terrain2024 GMC Yukon2023 Chevrolet Camaro2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Terrain2023 GMC Yukon2022 Chevrolet Camaro2022 Chevrolet Equinox2022 Chevrolet Malibu+ 156 more
  Associated Documents

  • DownloadMC-11006274-0001.pdf↗
• August 13, 2024•Document ID: 11006271

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5800C

  Date Added:

  August 13, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates and issues with Fuse F49 blowing causing a SES MIL and a Service Theft Deterrent System message displayed in the DIC.  It instructions dealership to inspect the 12 volt power accessory port for shorting out.

  Associated Products (16)

  2024 Cadillac Escalade2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon
  Associated Documents

  • DownloadMC-11006271-0001.pdf↗
• August 13, 2024•Document ID: 11006269

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT5986B

  Date Added:

  August 13, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.   Dealers are to inspect for something contacting the grill shutters as they open and close.

  Associated Products (25)

  2024 Cadillac Escalade2024 Cadillac XT42024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2021 Cadillac Escalade+ 5 more
  Associated Documents

  • DownloadMC-11006269-0001.pdf↗
• August 12, 2024•Document ID: 11007718

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  19-NA-237

  Date Added:

  September 11, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin explains how to identify possible DEF system contamination.

  Associated Products (97)

  2025 Chevrolet Silverado2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT4+ 77 more
  Associated Documents

  • DownloadMC-11007718-0001.pdf↗
• August 10, 2024•Document ID: 11006875

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-139

  Date Added:

  September 4, 2024

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set.

  Associated Products (67)

  2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Equinox2023 Chevrolet Express2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Savana2023 GMC Sierra+ 47 more
  Associated Documents

  • DownloadMC-11006875-0001.pdf↗
• August 9, 2024•Document ID: 11007202

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  24-NA-043

  Date Added:

  September 6, 2024

  Manufacturer:

  GMC

  Summary

  This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.

  Associated Products (31)

  2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon+ 11 more
  Associated Documents

  • DownloadMC-11007202-0001.pdf↗
• August 9, 2024•Document ID: 11007154

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  16-NA-380

  Date Added:

  September 6, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

  Associated Products (100)

  2025 Chevrolet Silverado2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express+ 80 more
  Associated Documents

  • DownloadMC-11007154-0001.pdf↗