Service bulletins for the 1997 GMC T-Series
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.
53 on file from NHTSA, as of 2026-10-19.
About P0442 on the 1997 GMC T-Series: 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: P0442 are shown. Show all
| 776508 | 1999-12-20. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). DTC P0442 CAUSED BY A EVEAP VENT (SOLENOID) VALVE LEAK. *AK |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.