TSB 041204 — Kia Service bulletin

041204 is a service bulletin on file with NHTSA for the Kia Optima, 2001–2002 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. OWNER NOTIFICATION REGARDING CAMPAIGN SC037 TO REPLACE THE ENGINE CONTROL MODULE (ECM) AND OXYGEN SENSOR.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
1Vehicle named
2Model years

Vehicles and model years 041204 names

VehicleModel years
Kia Optima 2001, 2002

Every document filed under 041204

Document IDFiledType
041204 April 12, 2004 Service bulletin

What 041204 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Kia Optima TSB years TSB lookup by model

Questions buyers ask

What is TSB 041204?

041204 is a service bulletin filed with NHTSA by Kia, covering the Kia Optima across the 2001–2002 model years. NHTSA's summary reads: OWNER NOTIFICATION REGARDING CAMPAIGN SC037 TO REPLACE THE ENGINE CONTROL MODULE (ECM) AND OXYGEN SENSOR.

Which vehicles does 041204 cover?

NHTSA's file names Kia Optima (2001–2002). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB 041204 a recall, and is the repair free?

No. 041204 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of 041204?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 041204, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 041204. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.