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.
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By trouble code
Only bulletins with component: Electrical system are shown. Show all
| 4486 | 2007-10-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ |
|---|---|
| 4338 | 2007-06-15. Service bulletin. ELECTRICAL SYSTEM. LIGHTS FLICKER ERRATIC OPERATION OF VEHICLES ELECTRONICS. *KB |
| 3300 | 2007-03-22. Service bulletin. ELECTRICAL SYSTEM:HORN. HORN INOPERATIVE AT TIMES. *KB |
| 3756A | 2006-01-25. Service bulletin. ELECTRICAL SYSTEM. IPC GAUGES AND AC INOPERATIVE, SEVERAL INDICATORS ILLUMINATE DTCS U1016 U1000. *TT |
| 050730021 | 2005-11-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. IGNITION KEY WILL NOT REMOVE FROM IGNITION LOCK CYLINDER. *TT |
| 3577 | 2005-10-27. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY. NO CRANK NO START NO DIAGNOSTIC TROUBLE CODES. *TT |
| 510 | 2005-09-03. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. INTERMITTENT DEAD BATTERY. *SC |
| 3300C | 2005-04-18. Service bulletin. ELECTRICAL SYSTEM:HORN. APPLICATION OF HORN AT HORN PAD INOPERATIVE. RKE FUNCTION FOR PANIC ALARM WORKS. *TT |
| 3263 | 2005-01-28. Service bulletin. ELECTRICAL SYSTEM. 125A MEGA FUSE OPENS WHEN ATTEMPTING TO JUMP START. *EH |
| 040845010 | 2004-12-28. Service bulletin. ELECTRICAL SYSTEM. VARIOUS INTERIOR ELECTRICAL CONCERNS, IP GAUGES/LIGHTING INOPERATIVE, HVAC CONTROLS INOPERATIVE, BLOWER MOTOR INOPERATIVE, RADIO INOPERATIVE, FLASHER INOPERATIVE. *TT |
| 3192 | 2004-12-15. Service bulletin. ELECTRICAL SYSTEM. REDUCED ENGINE POWER MESSAGE AND/OR CHECK ENGINE LIGHT WITH ANY COMBINATION OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES: P0107, P0112, P0452, P1120, P1220, P1221, P1271, P1275, P1280, P1481, P1515, P1540, P1633, P1635, P1639 AND P1682 POWERTRAIN CONTROL MODULE REPEAT. *TT |
| 3061C | 2004-12-03. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING. *TT |
| 3216 | 2004-12-02. Service bulletin. ELECTRICAL SYSTEM:IGNITION. ERRATIC OPERATION OF PERSONALIZATION WITH IGNITION CYCLE. *EH |
| 3079 | 2004-11-17. Service bulletin. ELECTRICAL SYSTEM. INTERMITTENT P0483 DIAGNOSTIC TROUBLE CODE. *TT |
| 3083 | 2004-11-17. Service bulletin. ELECTRICAL SYSTEM:IGNITION. KEY MAY NOT TURN OR BIND IN THE IGNITION. *TT |
| 3172 | 2004-11-08. Service bulletin. ELECTRICAL SYSTEM. MULTIPLE ELECTRICAL CONCERNS AND DIAGNOSTIC TROUBLE CODE U1064. VARIOUS MODELS INCLUDING 2005 BUICK RAINIER AND 2005 CHEVROLET TRAILBLAZER. *TT |
| 3116 | 2004-11-05. Service bulletin. ELECTRICAL SYSTEM. ENGINE STALLS WHEN AIR CONDITIONING IS TURNED ON AT IDLE. (TO INCLUDE 2005 CHEVROLET TRAILBLAZER, 2005 OLDSMOBILE BRAVADA, AND BUICK RAINIER) *SC UPDATED 01-26-07. *KB |
| 3138 | 2004-11-04. Service bulletin. ELECTRICAL SYSTEM. REDUCED POWER LIGHT ON AND DIAGNOSTIC TROUBLE CODE P1680 P1221 AND/OR P1271 STORED IN THE POWER CONTROL MODULE. *SC |
| 3089 | 2004-10-04. Service bulletin. ELECTRICAL SYSTEM. SERVICE ENGINE SOON LIGHT AND REDUCED ENGINE POWER WITH A DIAGNOSTIC TROUBLE CODE P1516. DIAGNOSTIC TROUBLE CODES P0120, P0220, P1514, P1515, P1518 AND P2135 MAY ALSO BE PRESENT. *TT |
| 1528102 | 2004-08-24. Service bulletin. ELECTRICAL SYSTEM. 02-04 4.2L LL8 DIAGNOSTIC TROUBLE CODE P0171. *MJ |
| 3016 | 2004-08-23. Service bulletin. ELECTRICAL SYSTEM. VARIOUS ELECTRICAL CONCERNS. *TT |
| 3031 | 2004-08-23. Service bulletin. ELECTRICAL SYSTEM. INTERMITTENT P0483 DIAGNOSTIC TROUBLE CODE. *TT |
| 040603005 | 2004-08-13. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE. PROPER CONNECTION INFORMATION TO AVOID BLOWN 125 AMP FUSE AND VARIOUS INTERIOR ELECTRICAL SYSTEM CONDITIONS WHEN JUMP STARTING VEHICLE. *TT |
| 01802A | 2004-07-19. Service bulletin. ELECTRICAL SYSTEM. APP SENSOR 2 AND/OR TP SENSOR 2 SIGNAL CIRCUIT VOLTAGES DROP. *TT |
| 01718 | 2004-07-16. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. STARTER CLICKS - NO CRANK CONDITION. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.