Lexus RX330 2004 — technical service bulletin
Bulletin TC00503 · NHTSA communication 10003558 · issued Aug 11, 2003
Technical service bulletin
communication type
Power Train
component
2004
model years
1
vehicle entries
Official summary
Ecm calibration shifting enhancement. *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.