Service bulletins for the 2004 GMC Envoy
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.
744 on file from NHTSA, as of 2026-10-19.
About P0172 on the 2004 GMC Envoy: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0172 are shown. Show all
| 05062004 | 2005-04-13. Service bulletin. ENGINE AND ENGINE COOLING. S ENGINE POSSIBLE FALSE CODE DTC P0172. *EH |
|---|---|
| 040604053 | 2005-02-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON LIGHT ON P0133, P0172. *TT |
| 01181C | 2004-06-30. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE (DTC) P0172. 4.2 LL8 ENGINE. *TT *MJ |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.