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.
By type
By component
By trouble code
By topic
Only bulletins with component: Air suspension are shown. Show all
| PIT5194 | 2017-08-15. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that will no longer sit level after rear suspension has been serviced. Technician should correctly install the air spring lines that are incorrectly connected. |
|---|---|
| 3367A | 2005-11-07. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. REAR AIR SUSPENSION - TRIM HEIGHT TOOL SET. *TT |
| 3461 | 2005-10-29. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. REAR AIR SUSPENSION IN-OP DTC C0563. *TT |
| 08182004 | 2005-04-07. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. SINGLE REAR AIR SUSPENSION COMPRESSOR DISCONTINUED AND IS REPLACED WITH THE DUAL AIR COMPRESSOR USED ON THE 2005 MODEL. *TT |
| 3137 | 2004-11-03. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. REAR AIR SUSPENSION COMPRESSOR SERVICE PART CHANGE. *SC |
| 031203 | 2003-07-25. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. AUTOMATIC LEVELING FEATURE OF THE REAR SUSPENSION IS NOT FUNCTIONING WITH POSSIBLE DIAGNOSTIC TROUBLE CODE U1000 SET. *TT *JB |
| 031803 | 2003-07-25. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. PRECAUTIONARY MEASURES WHEN CONDUCTING REPAIRS ON VEHICLES EQUIPPED WITH THE REAR AIR SUSPENSION. *TT *JB |
| 030503 | 2003-07-24. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. REPLACEMENT OF REAR AIR SUSPENSION COMPONENTS. *TT *JB |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.