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Service bulletins for the 2004 Hummer H2

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

748 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Seat belts are shown. Show all

Bulletins, newest first
09-09-40-001C2017-08-15. Service bulletin. SEAT BELTS:FRONT:BUCKLE ASSEMBLY; SEAT BELTS. This informational bulletin provides information to advise dealers about seat belt buckles not operating and/or seat belt warning light illumination, as well as difficulty latching and unlatching the buckle or the buckle release button sticking.
09-09-40-001A2011-06-14. Service bulletin. SEAT BELTS:FRONT:WARNING LIGHT/DEVICES; SEAT BELTS. GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/3/12. *PE
TB-0909400012009-08-03. Service bulletin. SEAT BELTS: REAR/OTHER:BUCKLE ASSEMBLY; SEAT BELTS:FRONT:BUCKLE ASSEMBLY. GENERAL MOTORS: THE SEAT BELT BUCKLES NOT OPERATING AND /OR SEAT BELT WARNING LIGHT ILLUMINATION, AS WELL AS DIFFICULTY LATCHING AND UNLATCHING THE BUCKLE OR THE BUCKLE RELEASE BUTTON STICKING. AFFECTS 2010 AND PRIOR GM PASSENGER CARS AND TRUCKS, INCLUDING SATURN.) *PE
0408500032005-03-10. Service bulletin. SEAT BELTS. ENABLING MEMORY SEAT FEATURE VIA DIC IF FEATURE APPEARS INOPERATIVE. *EH
0923032004-01-28. Service bulletin. SEAT BELTS:FRONT. FRONT PASSENGER SEATBELT ASSEMBLY REPLACEMENT. GM VOICEMAIL LOG. *TT
990940005B2004-01-03. Service bulletin. SEAT BELTS:FRONT:ANCHORAGE. SEAT BELT EXTENDER AVAILABILITY. GM MODELS 2014 AND PRIOR GM CARS AND TRUCK. *TT
9909400052000-04-07. Service bulletin. SEAT BELTS:FRONT:ANCHORAGE. INFORMATION ON THE AVAILABILITY OF SEAT BELT EXTENDERS FOR 2000 AND PRIOR PASSENGER CARS AND TRUCKS. *TT UPDATED THIS BULLETIN CONTAINS 2007 AND PRIOR PASSENGER CARS AND TRUCKS INCLUDING SATURNS. *KB

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.