Toyota Highlander 2008 — technical service bulletin
Bulletin 03707 · NHTSA communication 10022729 · issued Aug 25, 2007
Technical service bulletin
communication type
Engine and Engine Cooling
component
2008
model years
1
vehicle entries
Official summary
Isc learning procedure. When the battery is disconnected or lower than 7 volts, it is necessary to perform the isc learning procedure to get it back to idle speed control. *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.