Toyota 4RUNNER 2003–2004 — technical service bulletin
Bulletin TSB-0074-10 · NHTSA communication 10034194 · issued Feb 12, 2010
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003–2004
model years
2
vehicle entries
Official summary
Toyota: engine control. Some model vehicles may exhibit a mil on condition with one or more of the following dtcs-p0442, p0455, or p0456. *pe
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.