Kia Optima 2001–2002 — technical service bulletin
Bulletin 037 · NHTSA communication 10006103 · issued Mar 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2002
model years
2
vehicle entries
Official summary
A service campaign for possible o2 sensor malfunction indicator lamp (mil) illumination. Kia will reprogram the engine control module (ecm) and replace the oxygen sensors as needed. *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.