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.
About P0171 on the 2004 Chevrolet Trailblazer: what the code means, and the bulletins and recalls about the same components.
By type
By component
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Only bulletins with trouble code: P0171 are shown. Show all
| PIP3330D | 2019-06-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. This Preliminary Information Document advises the dealer that there is a software update available for the Powertrain Control Module to address diagnostic trouble code P0171. If the software update does not correct the condition, the dociment directs the dealer to related technical servce bulletins that cover cleaning fuel injectors and addressing fuel quality. |
|---|---|
| 3522 | 2005-10-29. Service bulletin. FUEL SYSTEM, OTHER. SERVICE VME - FUEL SYSTEM LEAN DTCS P0101 P0171 P0174. *TT |
| 3330 | 2005-05-11. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ENGINE SOON (SES) LIGHT DUE TO A P0171 DIAGNOSTIC TROUBLE CODE. *TT |
| 3232 | 2005-05-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT |
| 3019A | 2004-11-05. Service bulletin. UNKNOWN OR OTHER. DIAGNOSTIC TROUBLE CODE P0171 . *SC SERVICE ENGINE SOON LIGHT DUE TO DIAGNOSTIC TROUBLE CODE P0171. *TT |
| 1528102 | 2004-08-24. Service bulletin. ELECTRICAL SYSTEM. 02-04 4.2L LL8 DIAGNOSTIC TROUBLE CODE P0171. *MJ |
| 01968A | 2004-06-09. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE (DTC) P0171. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.