Toyota Prius 2004–2005 — technical service bulletin
Bulletin 06305 · NHTSA communication 10018851 · issued Dec 16, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004–2005
model years
2
vehicle entries
Official summary
M.I.L. ON DTC P0300, P0301, P0302, P0303, OR P0304. *TT
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.