Service bulletins for the 2006 Hummer H1
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.
3 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Electrical system are shown. Show all
| 071201 | 2007-07-23. Service bulletin. ELECTRICAL SYSTEM. ELECTRICAL DIAGNOSTICS. ILLUMINATION OF THE CHECK ENGINE LIGHT, AND ABS LIGHT. AND AN INOPERATIVE CENTRAL TIRE INFLATION SYSTEM (CTIS). *KB |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.