Saturn Ion 2003 — technical service bulletin
Bulletin 030730030A · NHTSA communication 10003589 · issued Sep 1, 2003
Technical service bulletin
communication type
Power Train
component
2003
model years
1
vehicle entries
Official summary
Af23-5 transaxle replacement and transmission control module (tcm) reprogramming. *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.