Toyota Corolla 2003–2006 — technical service bulletin
Bulletin 01205 · NHTSA communication 10017613 · issued Sep 1, 2005
Technical service bulletin
communication type
Power Train
component
2003–2006
model years
4
vehicle entries
Official summary
Whistle/hoot noise from automatic transaxle. *tt
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.