Service bulletins for the 2004 Toyota PRIUS
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.
226 on file from NHTSA, as of 2026-10-19.
About P0303 on the 2004 Toyota PRIUS: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0303 are shown. Show all
| 06305 | 2006-01-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. M.I.L. ON DTC P0300, P0301, P0302, P0303, OR P0304. *TT |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.