Toyota 4 Runner 1998 — technical service bulletin
Bulletin AC00198 · NHTSA communication 600683 · issued Mar 13, 1998
Technical service bulletin
communication type
Equipment
component
1998
model years
4
vehicle entries
Official summary
Condition with a/c indicator light operation in defroster mode. *yc
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.