Service bulletins for the 2004 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.
712 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 080503 | 2003-11-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION. THE PURPOSE OF THIS MESSAGE IS TO PROVIDE INFORMATION ABOUT A NEW PRODUCT EMISSION RECALL. THE RECALL NUMBER OF 03042. THIS RECALL IS FOR VEHICLES IN DEALER INVENTORY ONLY. SOME OF THESE VEHICLES MAY HAVE BEEN BUILT WITH SPARKPLUGS THAT MISFIRE. *TT |
|---|---|
| 081103 | 2003-11-05. Service bulletin. UNKNOWN OR OTHER. 8-1 SC NEW BODY STYLE LABOR TIME GUIDE CONTAINS INCORRECT INFORMATION FOR PPI LABOR OP C7000. *TT |
| 081103 | 2003-11-05. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). THE SERVICE FOUR-WHEEL DRIVE LIGHT OR THE FOUR-WHEEL DRIVE IS INOPERATIVE WITH NO COMMUNICATIONS WITH THE TECH 2, OR C0550 CODE IS STORED IN THE TCCM. *TT |
| 082103 | 2003-11-04. Service bulletin. EQUIPMENT. ACCESSORIES BRUSH GUARD PACKAGE ON VEHICLES WITH THE NORTH FACE EDITION. *TT |
| 020846010E | 2003-10-03. Service bulletin. UNKNOWN OR OTHER. PROGRAMMING ONSTAR MODULE FOR CANADIAN FRENCH VOICE RECOGNITION. *TT UPDATE. *TT UPDATED *EH |
| 990730022A | 2003-09-30. Service bulletin. POWER TRAIN. SHIFT STABILIZATION AND TOW/HAUL MODE FEATURE FOR HYDRA-MATIC 4L60-E/4L65-E AND 4L80-E/4L85-E TRANSMISSIONS. *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 |
| 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 |
| 030864006 | 2003-04-25. Service bulletin. STRUCTURE:BODY:DOOR. DOORS HARD TO CLOSE. *TT UPDATED 07-24-07. *KB |
| 030419002 | 2003-04-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SQUEAK, SQUEAL OR WHISTLE NOISE FROM FRONT AXLE. *TT |
| 030417002 | 2003-04-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. WHINE NOISE FROM REAR AXLE. *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.