Subaru Forester 1999–2002 — technical service bulletin
Bulletin 166602 · NHTSA communication 10001352 · issued Mar 15, 2003
Technical service bulletin
communication type
Power Train
component
1999–2002
model years
12
vehicle entries
Official summary
Transmission control unit (tcu) code 45 and all-wheel drive harsh engagement. *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.