GMC Sierra Service Bulletins (2008)

1,655 manufacturer communications on file.

• Date not available•Document ID: 10022913

  Service Bulletin/Repair Instructions
  TIRES:TEMPORARY/EMERGENCY SPARE TIRE

  Mfr Comm. #:

  3959

  Date Added:

  October 4, 2007

  Manufacturer:

  CHEVROLET

  Summary

  UNABLE TO LOWER SPARE TIRE FROM UNDERNEATH THE VEHICLE. *NJ

  Associated Products (14)

  2008 Cadillac Escalade2008 Chevrolet Avalanche2008 Chevrolet Silverado2008 Chevrolet Suburban2008 Chevrolet Tahoe2008 GMC Sierra2008 GMC Yukon2007 Cadillac Escalade2007 Chevrolet Avalanche2007 Chevrolet Silverado2007 Chevrolet Suburban2007 Chevrolet Tahoe2007 GMC Sierra2007 GMC Yukon
  Associated Documents

  • DownloadMC-10022913-0001.pdf↗
• Date not available•Document ID: 10022796

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE

  Mfr Comm. #:

  4200

  Date Added:

  September 27, 2007

  Manufacturer:

  GMC

  Summary

  PERCEIVED HESITATION OR LACK OF POWER DURING THROTTLE REAPPLY AT SLOW SPEEDS. *KB

  Associated Products (4)

  2008 Chevrolet Silverado2008 GMC Sierra2007 Chevrolet Silverado2007 GMC Sierra
  Associated Documents

  • DownloadMC-10022796-0001.pdf↗
• Date not available•Document ID: 10022794

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  4052

  Date Added:

  September 27, 2007

  Manufacturer:

  GMC

  Summary

  2-3 UPSHIFT SLIP OR FLARE. *KB

  Associated Products (19)

  2008 Cadillac Escalade2008 Cadillac SRX2008 Cadillac STS2008 Cadillac XLR2008 Chevrolet Corvette2008 Chevrolet Silverado2008 GMC Sierra2008 GMC Yukon2007 Cadillac Escalade2007 Cadillac SRX2007 Cadillac STS2007 Cadillac XLR2007 Chevrolet Corvette2007 Chevrolet Silverado2007 GMC Sierra2007 GMC Yukon2006 Cadillac STS2006 Cadillac XLR2006 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10022794-0001.pdf↗
• Date not available•Document ID: 10022768

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  4407

  Date Added:

  September 26, 2007

  Manufacturer:

  CADILLAC

  Summary

  AUXILIARY POWER TO 7-WAY TRAILER CONNECTOR. *KB

  Associated Products (18)

  2008 Cadillac Escalade2008 Cadillac Escalade ESV2008 Chevrolet Avalanche2008 Chevrolet Silverado2008 Chevrolet Suburban2008 Chevrolet Tahoe2008 GMC Sierra2008 GMC Yukon2008 GMC Yukon XL2007 Cadillac Escalade2007 Cadillac Escalade ESV2007 Chevrolet Avalanche2007 Chevrolet Silverado2007 Chevrolet Suburban2007 Chevrolet Tahoe2007 GMC Sierra2007 GMC Yukon2007 GMC Yukon XL
  Associated Documents

  • DownloadMC-10022768-0001.pdf↗
• Date not available•Document ID: 10022697

  Service Bulletin/Repair Instructions
  STEERING:RACK AND PINION

  Mfr Comm. #:

  4190

  Date Added:

  September 20, 2007

  Manufacturer:

  CHEVROLET

  Summary

  ENGINEERING INFORMATION REQUEST DURING REAR RING AND PINION REPLACEMENT. *NJ

  Associated Products (14)

  2008 Cadillac Escalade2008 Chevrolet Avalanche2008 Chevrolet Silverado2008 Chevrolet Suburban2008 Chevrolet Tahoe2008 GMC Sierra2008 GMC Yukon2007 Cadillac Escalade2007 Chevrolet Avalanche2007 Chevrolet Silverado2007 Chevrolet Suburban2007 Chevrolet Tahoe2007 GMC Sierra2007 GMC Yukon
  Associated Documents

  • DownloadMC-10022697-0001.pdf↗
• Date not available•Document ID: 10022429

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  4168

  Date Added:

  August 13, 2007

  Manufacturer:

  GMC

  Summary

  LOW POWER, POOR PERFORMANCE, OR BUSY SHIFTING. *KB UPDATED 09-26-07. *KB

  Associated Products (7)

  2008 Cadillac Escalade2008 GMC Sierra2008 GMC Yukon2008 Hummer H22007 Cadillac Escalade2007 GMC Sierra2007 GMC Yukon
  Associated Documents

  • DownloadMC-10022429-0001.pdf↗
• Date not available•Document ID: 10022362

  Service Bulletin/Repair Instructions
  TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

  Mfr Comm. #:

  4422

  Date Added:

  August 3, 2007

  Manufacturer:

  CHEVROLET

  Summary

  SERVICE TIRE MONITOR MESSAGE WITH AFTERMARKET WHEELS. *KB UPDATED ON 09/20/07. *NJ

  Associated Products (14)

  2008 Cadillac Escalade2008 Chevrolet Avalanche2008 Chevrolet Silverado2008 Chevrolet Suburban2008 Chevrolet Tahoe2008 GMC Sierra2008 GMC Yukon2007 Cadillac Escalade2007 Chevrolet Avalanche2007 Chevrolet Silverado2007 Chevrolet Suburban2007 Chevrolet Tahoe2007 GMC Sierra2007 GMC Yukon
  Associated Documents

  • DownloadMC-10022362-0001.pdf↗
• Date not available•Document ID: 10021019

  Service Bulletin/Repair Instructions
  POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  3136

  Date Added:

  February 22, 2007

  Manufacturer:

  CHEVROLET

  Summary

  SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ

  Associated Products (99)

  2008 Chevrolet Avalanche2008 Chevrolet Colorado2008 Chevrolet Express2008 Chevrolet Silverado2008 Chevrolet Suburban2008 Chevrolet Tahoe2008 Chevrolet Trailblazer2008 GMC Canyon2008 GMC Envoy2008 GMC Savana2008 GMC Sierra2008 GMC Yukon2008 GMC Yukon XL2008 Hummer H32008 SAAB 9-7X2007 Buick Rainier2007 Chevrolet Avalanche2007 Chevrolet Colorado2007 Chevrolet Express2007 Chevrolet Silverado+ 79 more
  Associated Documents

  • DownloadMC-10021019-0001.pdf↗
• February 16, 2026•Document ID: 11028931

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT4506J

  Date Added:

  February 23, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.

  Associated Products (52)

  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 Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra+ 32 more
  Associated Documents

  • DownloadMC-11028931-0001.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)

  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+ 823 more
  Associated Documents

  • DownloadMC-11023091-0001.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↗
• July 31, 2025•Document ID: 11021308

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5161L

  Date Added:

  August 4, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic

  Associated Products (40)

  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 Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra+ 20 more
  Associated Documents

  • DownloadMC-11021308-0001.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)

  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+ 706 more
  Associated Documents

  • DownloadMC-11020816-0001.pdf↗
• June 2, 2025•Document ID: 11026022

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  07-08-42-006U

  Date Added:

  December 3, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.

  Associated Products (38)

  2025 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 Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra+ 18 more
  Associated Documents

  • DownloadMC-11026022-0001.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↗
• April 11, 2025•Document ID: 11017868

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  13-02-32-001H

  Date Added:

  May 6, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.

  Associated Products (165)

  2025 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 Sierra2018 Cadillac XTS2018 Chevrolet Silverado2018 Chevrolet Trax2018 GMC Sierra2017 Buick Enclave2017 Cadillac XTS+ 145 more
  Associated Documents

  • DownloadMC-11017868-0001.pdf↗
• March 28, 2025•Document ID: 11017252

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  23-NA-001

  Date Added:

  April 28, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.

  Associated Products (237)

  2016 Cadillac ELR2015 Cadillac ELR2015 Chevrolet Camaro2015 Chevrolet Express2014 Buick LaCrosse2014 Buick Regal2014 Buick Verano2014 Cadillac ATS2014 Cadillac CTS2014 Cadillac ELR2014 Cadillac SRX2014 Chevrolet Camaro2014 Chevrolet Corvette2014 Chevrolet Cruze2014 Chevrolet Equinox2014 Chevrolet Express2014 Chevrolet Impala2014 Chevrolet Malibu2014 Chevrolet Silverado2014 Chevrolet Sonic+ 217 more
  Associated Documents

  • DownloadMC-11017252-0001.pdf↗
• March 25, 2025•Document ID: 11017243

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  07-08-42-006T

  Date Added:

  April 25, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.

  Associated Products (38)

  2025 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 Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra+ 18 more
  Associated Documents

  • DownloadMC-11017243-0001.pdf↗