Saturn Ion 2004–2005 — technical service bulletin
Bulletin 040602009 · NHTSA communication 10010519 · issued Oct 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004–2005
model years
2
vehicle entries
Official summary
Service engine soon (ses) light on, engine starts but runs rough and stalls repeatedly, diagnostic codes (dtcs) p0443, p0102, p0135, p0141, p023a . *eh
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.