Hummer H2 Service Bulletins

1,729 manufacturer communications on file.

• Date not available•Document ID: 10010850

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  3215

  Date Added:

  December 15, 2004

  Manufacturer:

  OLDSMOBILE

  Summary

  INSTRUMENT PANEL CLUSTER GUAGES FLOAT UP AFTER IGNITION KEY TURNED OFF. VARIOUS MODELS INCLUDING 99-05 CHEVROLET, GMC AND CADILLAC FULL SIZE UTILITIES. *TT

  Associated Products (3)

  2005 Hummer H22004 Hummer H22003 Hummer H2
  Associated Documents

  • DownloadMC-10010850-0001.pdf↗
• Date not available•Document ID: 10010835

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  3113

  Date Added:

  December 14, 2004

  Manufacturer:

  GMC

  Summary

  NO CONNECT. GEN 6 VEHICLES IN ASHE, ALLEGHANY, SURRY AND WILKES COUNTY, NC CANNOT CONNECT O ONSTAR OR EMERGENCY SERVICES. *TT

  Associated Products (13)

  2004 Buick Rainier2004 Buick Rendezvous2004 Cadillac Escalade2004 Chevrolet Avalanche2004 Chevrolet Silverado2004 Chevrolet Suburban2004 Chevrolet Tahoe2004 Chevrolet Trailblazer2004 GMC Envoy2004 GMC Sierra2004 GMC Yukon2004 Hummer H22004 Pontiac Aztek
  Associated Documents

  • DownloadMC-10010835-0001.pdf↗
• Date not available•Document ID: 10010577

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  3170

  Date Added:

  December 2, 2004

  Manufacturer:

  CHEVROLET

  Summary

  HARSH 1-2 SHIFT. *EH

  Associated Products (50)

  2007 Cadillac Escalade2007 Chevrolet Tahoe2006 Buick Rainier2006 Cadillac Escalade2006 Chevrolet Avalanche2006 Chevrolet Colorado2006 Chevrolet Express2006 Chevrolet Silverado2006 Chevrolet Suburban2006 Chevrolet Tahoe2006 Chevrolet Trailblazer2006 GMC Canyon2006 GMC Envoy2006 GMC Savana2006 GMC Sierra2006 GMC Yukon2006 Hummer H22006 Hummer H32006 SAAB 9-7X2005 Buick Rainier+ 30 more
  Associated Documents

  • DownloadMC-10010577-0001.pdf↗
• Date not available•Document ID: 10010554

  Service Bulletin/Repair Instructions
  LATCHES/LOCKS/LINKAGES

  Mfr Comm. #:

  3189

  Date Added:

  December 1, 2004

  Manufacturer:

  HUMMER

  Summary

  DOORS WILL NOT LOCK MANUALLY. VARIOUS MODELS INCLUDING 2005 CHEVROLET, GMC AND CADILLAC ALL FULL SIZE UTILITIES. *EH

  Associated Products (1)

  2005 Hummer H2
  Associated Documents

  • DownloadMC-10010554-0001.pdf↗
• Date not available•Document ID: 10010372

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, OTHER

  Mfr Comm. #:

  3078

  Date Added:

  November 17, 2004

  Manufacturer:

  CHEVROLET

  Summary

  SOME 2004 FULL SIZE TRUCKS AND UTILITIES MAY EXPERIENCE A DIAGNOSTIC TROUBLE CODE P0442. *TT

  Associated Products (10)

  2004 Cadillac Escalade2004 Chevrolet Avalanche2004 Chevrolet Colorado2004 Chevrolet Silverado2004 Chevrolet Suburban2004 Chevrolet Tahoe2004 GMC Canyon2004 GMC Sierra2004 GMC Yukon2004 Hummer H2
  Associated Documents

  • DownloadMC-10010372-0001.pdf↗
• Date not available•Document ID: 10010364

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE

  Mfr Comm. #:

  3056

  Date Added:

  November 17, 2004

  Manufacturer:

  GMC

  Summary

  CHECK ENGINE LIGHT WITH A P0300 DUE TO 2-4 CYLINDERS MISFIRING ON THE SAME BANK OF THE ENGINE. *TT

  Associated Products (78)

  2005 Buick Rainier2005 Cadillac CTS2005 Cadillac Escalade2005 Chevrolet Avalanche2005 Chevrolet Express2005 Chevrolet Silverado2005 Chevrolet Suburban2005 Chevrolet Tahoe2005 Chevrolet Trailblazer2005 GMC Envoy2005 GMC Savana2005 GMC Sierra2005 GMC Yukon2005 Hummer H22005 Pontiac GTO2004 Buick Rainier2004 Cadillac CTS2004 Cadillac Escalade2004 Chevrolet Avalanche2004 Chevrolet Corvette+ 58 more
  Associated Documents

  • DownloadMC-10010364-0001.pdf↗
• Date not available•Document ID: 10010363

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  3044

  Date Added:

  November 17, 2004

  Manufacturer:

  CHEVROLET

  Summary

  GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION. *TT

  Associated Products (38)

  2004 Buick LeSabre2004 Buick Rendezvous2004 Cadillac CTS2004 Cadillac Deville2004 Cadillac Escalade2004 Cadillac Seville2004 Chevrolet Cavalier2004 Chevrolet Express2004 Chevrolet Silverado2004 Chevrolet Suburban2004 Chevrolet Tahoe2004 Chevrolet Trailblazer2004 GMC Envoy2004 GMC Savana2004 GMC Sierra2004 Hummer H22004 Pontiac Sunfire2004 Saturn Ion2004 Saturn Vue2003 Buick LeSabre+ 18 more
  Associated Documents

  • DownloadMC-10010363-0001.pdf↗
• Date not available•Document ID: 10010080

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  3136

  Date Added:

  November 4, 2004

  Manufacturer:

  HUMMER

  Summary

  THE 4L60E/4L65E AUTOMATIC TRANSMISSION SLIP CONDITION IN 2ND, 3RD, OR 4TH GEAR. ALSO TO INCLUDE THE PONTIAC GTO 2005. *TC

  Associated Products (37)

  2006 Buick Rainier2006 Cadillac Escalade2006 Chevrolet Avalanche2006 Chevrolet Colorado2006 Chevrolet Express2006 Chevrolet Silverado2006 Chevrolet Suburban2006 Chevrolet Tahoe2006 Chevrolet Trailblazer2006 GMC Canyon2006 GMC Envoy2006 GMC Savana2006 GMC Sierra2006 Hummer H22006 Hummer H32006 Pontiac GTO2005 Cadillac Escalade2005 Chevrolet Colorado2005 GMC Canyon2005 GMC Envoy+ 17 more
  Associated Documents

  • DownloadMC-10010080-0001.pdf↗
• Date not available•Document ID: 10009621

  Service Bulletin/Repair Instructions
  SUSPENSION:FRONT:WHEEL BEARING

  Mfr Comm. #:

  3078

  Date Added:

  October 13, 2004

  Manufacturer:

  HUMMER

  Summary

  GREASE LEAK FROM FRONT HUB BEARING. *TT UPDATE. *TT

  Associated Products (6)

  2005 Chevrolet Silverado2005 GMC Sierra2005 Hummer H22004 Chevrolet Silverado2004 GMC Sierra2004 Hummer H2
  Associated Documents

  • DownloadMC-10009621-0001.pdf↗
• Date not available•Document ID: 10009520

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  3089

  Date Added:

  October 4, 2004

  Manufacturer:

  CHEVROLET

  Summary

  SERVICE ENGINE SOON LIGHT AND REDUCED ENGINE POWER WITH A DIAGNOSTIC TROUBLE CODE P1516. DIAGNOSTIC TROUBLE CODES P0120, P0220, P1514, P1515, P1518 AND P2135 MAY ALSO BE PRESENT. *TT

  Associated Products (64)

  2006 Buick Rainier2006 Cadillac Escalade2006 Chevrolet Avalanche2006 Chevrolet Corvette2006 Chevrolet Express2006 Chevrolet Monte Carlo2006 Chevrolet Silverado2006 Chevrolet SSR2006 Chevrolet Tahoe2006 Chevrolet Trailblazer2006 GMC Envoy2006 GMC Savana2006 GMC Sierra2006 GMC Yukon2006 Hummer H22006 Pontiac GTO2005 Buick Rainier2005 Cadillac Escalade2005 Chevrolet Avalanche2005 Chevrolet Corvette+ 44 more
  Associated Documents

  • DownloadMC-10009520-0001.pdf↗
• Date not available•Document ID: 10009382

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

  Mfr Comm. #:

  3046A

  Date Added:

  September 27, 2004

  Manufacturer:

  GMC

  Summary

  FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT

  Associated Products (76)

  2009 Chevrolet Uplander2009 GMC Yukon2009 GMC Yukon XL2009 Hummer H22009 Hummer H32008 Chevrolet Trailblazer2008 Chevrolet Uplander2008 GMC Envoy2008 GMC Yukon2008 GMC Yukon XL2008 Hummer H22008 Hummer H32007 Buick Rainier2007 Chevrolet Trailblazer2007 Chevrolet Uplander2007 GMC Yukon2007 GMC Yukon XL2007 Hummer H22007 Hummer H32006 Buick Rainier+ 56 more
  Associated Documents

  • DownloadMC-10009382-0001.pdf↗
• Date not available•Document ID: 10009370

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  3060

  Date Added:

  September 27, 2004

  Manufacturer:

  CHEVROLET

  Summary

  THE ENGINE DOES NOT STALL WHEN PERFORMING A P1870 DIAGNOSTIC TEST WITH THE TECH 2 SCAN TOOL OR WHEN COMMANDING THE TORQUE CONVERTER CLUTCH ENABLE SOLENOID ON APPLICATIONS THAT DO NOT HAVE THE P1870 DIAGNOSTIC TEST LISTED. 4L60E OR 4L65E TRANSMISSIONS. *TT

  Associated Products (35)

  2005 Chevrolet Corvette2005 Chevrolet SSR2005 Hummer H22005 Pontiac GTO2004 Chevrolet Corvette2004 Chevrolet SSR2004 Hummer H22004 Pontiac GTO2003 Chevrolet Corvette2003 Chevrolet SSR2003 Hummer H22002 Chevrolet Camaro2002 Chevrolet Corvette2002 Pontiac Firebird2001 Chevrolet Camaro2001 Chevrolet Corvette2001 Pontiac Firebird2000 Chevrolet Camaro2000 Chevrolet Corvette2000 Pontiac Firebird+ 15 more
  Associated Documents

  • DownloadMC-10009370-0001.pdf↗
• September 4, 2026•Document ID: 11037253

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902W

  Date Added:

  September 10, 2026

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (751)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista+ 731 more
  Associated Documents

  • DownloadMC-11037253-0001.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↗
• March 9, 2026•Document ID: 11030092

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6104

  Date Added:

  March 17, 2026

  Manufacturer:

  CHEVROLET

  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 (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-11030092-0001.pdf↗
• March 9, 2026•Document ID: 11030091

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902V

  Date Added:

  March 17, 2026

  Manufacturer:

  BUICK

  Summary

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

  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-11030091-0001.pdf↗
• January 8, 2026•Document ID: 11027601

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902U

  Date Added:

  January 13, 2026

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (735)

  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+ 715 more
  Associated Documents

  • DownloadMC-11027601-0001.pdf↗
• November 20, 2025•Document ID: 11025755

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5214G

  Date Added:

  November 28, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.

  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-11025755-0001.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)

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  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)

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  Associated Documents

  • DownloadMC-11021792-0001.pdf↗