Service bulletins for the 1999 GMC Sonoma
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.
95 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Headlights are shown. Show all
| 3170C | 2004-11-05. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. INSTRUMENT PANEL CLUSTER (IPC) INTERIOR AND/OR HEAD LAMPS FLICKER. *TC |
|---|---|
| 00059 | 2001-03-19. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. SOME CUSTOMERS MAY HAVE PURCHASED CERTAIN VEHICLES EQUIPPED WITH THE ZR2 SUSPENSION PACKAGE THAT MAY HAVE HAD AN ERROR ON THE WINDOW STICKER. THE LABEL LISTED DAYTIME RUNNING LAMPS (DRL) AS A STANDARD FEATURE ON THE VEHICLE, BUT THE DRL FEATURE WAS DEACTIVATED. *TT |
| 00143 | 2001-02-23. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. SPECIAL POLICY ADJUSTMENT REGARDING THE DAYTIME RUNNING LAMPS ACTIVATION. *TT |
| 00059 | 2001-02-23. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. SOME CUSTOMERS MAY HAVE PURCHASED VEHICLES EQUIPPED WITH THE ZR2 SUSPENSION PACKAGE THAT MAY HAVE HAD AN ERROR ON THE WINDOW STICKER. THE LABEL LISTED DAYTIME RUNNING LAMPS (DRL) AS A STANDARD FEATURE ON THE VEHICLE, BUT THE DRL FEATURE WAS DEACTIVATED. THIS SPECIAL POLICY COVERS THE ACTIVATION OF THE DRL FEATURE ON THESE VEHICLES. *TT |
| 00059 | 2000-12-29. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. SUBJECT REGRDING SPECIAL POLICY ADJUSTMENT - DAYTIME RUNNING LAMPS ACTIVATION. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.