Service bulletins for the 1994 GMC Sierra
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.
12 on file from NHTSA, as of 2026-10-19.
About P0454 on the 1994 GMC Sierra: 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: P0454 are shown. Show all
| PIE-0043 | 2010-11-15. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. CHEVROLET:GMC: ENGINEERING INFORMATION-FUEL TANK PRESSURE SENSOR, DTCS P0446, P0451 OR P0454 SET. GMC ENGINEERING IS ATTEMPTING TO DETERMINE THE ROOT CAUSE OF THE ABOVE CONCERN. *PE |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.