Toyota Highlander 2001–2003 — technical service bulletin
Bulletin 601 · NHTSA communication 10021263 · issued Mar 26, 2007
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2003
model years
5
vehicle entries
Official summary
Reprogram the engine control module (ecm). *kb
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.