Service bulletins for the 2003 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.
412 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 030601024A | 2003-12-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. RATTLE NOISE IN ENGINE. *TT |
|---|---|
| 01136C | 2003-11-22. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. CLUNK NOISE FELT THROUGH FLOOR PAN. *TT |
| 01365 | 2003-11-20. Service bulletin. SUSPENSION. ZQ8 SPORT PACKAGE VIBRATION AT HIGHWAY SPEEDS. *TT |
| 01342 | 2003-11-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.3L LU3 ENGINE HOT SOAK HESITATION LOW POWER. *TT |
| 030604033 | 2003-09-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED DIAGNOSTIC TROUBLE CODE P0336. *TT UPDATE. TO INCLUDE 2004 ISUZU NQR COMMERCIAL MODELS. *TT |
| 030138009 | 2003-09-27. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC MODE SWITCH INOPERATIVE OR STUCK IN VENT MODE, OIL IN HVAC CONTROL HEAD AND/OR VACUUM LINES. *TT |
| 030941001 | 2003-08-27. Service bulletin. AIR BAGS. SIR/AIR BAG MALFUNCTION INDICATOR LAMP (MIL) STAYS ILLUMINATED, POSSIBLE DIAGNOSTIC TROUBLE CODE (DTC) B0022 SET/STORED IN HISTORY. *TT |
| 030604030 | 2003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT |
| 010103 | 2003-04-28. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. MANUAL TRANSMISSION SHIFTER POPS OUT OF 2ND, 4TH OR REVERSE GEARS. *TT |
| 020525006A | 2003-03-28. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS ON VARIOUS MODELS INCLUDING THE 1995 AND 1996 ENVOY. *TT |
| 020525006 | 2003-02-11. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT |
| 020730024A | 2002-10-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.