Service bulletins for the 2003 Chevrolet Trailblazer
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.
682 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Lighting are shown. Show all
| 00651B | 2003-11-21. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS. REAR BRAKE LIGHT BULB OUT. *TT |
|---|---|
| 030842006 | 2003-09-29. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS:SWITCH. TAIL LAMP CIRCUIT BOARD NOW AVAILABLE FOR SERVICE USE. *TT |
| 030842004 | 2003-08-27. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH. HEADLAMP LOW BEAM BULB SOCKET NOW AVAILABLE FOR SERVICE USE. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.