Toyota Prius 2004–2005 — technical service bulletin
Bulletin 4586 · NHTSA communication 10016175 · issued May 2, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004–2005
model years
2
vehicle entries
Official summary
Diagnostics - hybrid control system. Repair manual correction. 2005 prius. 00400-rm113-0u1. 2004 prius 00400-rm107-5u1. *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.