Saturn Ion 2003 — technical service bulletin
Bulletin 030603005 · NHTSA communication 10001190 · issued Apr 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
1
vehicle entries
Official summary
(engine control module / transmission control module) ecm/tcm ignition module ground location change. *tt *mj
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.