Service bulletins for the 2006 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.
747 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Automatic transmission are shown. Show all
| 010730030A | 2002-02-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DIAGNOSTIC INFORMATION ON HARSH 1-2 UPSHIFT. 2001-2002 PASSENGER VEHICLES AND LIGHT DUTY TRUCKS. *YH TO INCLUDE 2003-2006 PASSENGER VEHICLES AND LIGHT DUTY TRUCKS. *TT |
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| 010730002D | 2001-05-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. MALFUNCTION INDICATOR LAMP (MIL) ON, TRANSMISSION STUCK IN THIRD GEAR, INSTRUMENT CLUSTER INOPERATIVE. *TT UPDATED *EH 2006 AND PRIOR GM PASSENGER CARS AND LIGHT DUTY TRUCKS. *SC |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.