Service bulletins for the 2005 Buick Terraza
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.
561 on file from NHTSA, as of 2026-10-19.
About P0404 on the 2005 Buick Terraza: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0404 are shown. Show all
| 060604003 | 2006-03-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT ILLUMINATED, MULTIPLE POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) P1404 AND/OR P0404. 06-06-04-003 NOT YET RECEIVED. *TT UPDATED 04-27-07. *KB |
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| 3332B | 2005-10-29. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). DIAGNOSTIC TROUBLE CODE P0404 EGR CONCERN. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.