Service bulletins for the 2003 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.
750 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Ignition are shown. Show all
| 3382 | 2005-04-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. IGNITION KEY CAN NOT BE ROTATED IN STEERING COLUM LOCK CYLINDER. THIS INCLUDES 1999-05 CHEVROLET AND GMC FULL SIZE TRUCKS AND UTILITY. *EH |
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| 02132004 | 2005-04-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION. IGNITION KEY CAN NOT BE REMOVED FROM THE LOCK CYLINDER - SERVICE TIP. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.