TSB 040704 — Kia Service bulletin
040704 is a service bulletin on file with NHTSA for the Kia Optima, 2001–2002 model years, filed and re-filed as 3 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. QUESTIONS AND ANSWERS FOR CAMPAIGN SC037 ENGINE CONTROL MODULE (ECM) REPROGRAM AND OXYGEN SENSOR REPLACEMENT.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 040704 names
| Vehicle | Model years |
|---|---|
| Kia Optima | 2001, 2002 |
Every document filed under 040704
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| 040704 | April 7, 2004 | Service bulletin |
| 040704 | April 7, 2004 | Service bulletin |
| 040704 | April 7, 2004 | Service bulletin |
What 040704 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 040704?
040704 is a service bulletin filed with NHTSA by Kia, covering the Kia Optima across the 2001–2002 model years. NHTSA's summary reads: QUESTIONS AND ANSWERS FOR CAMPAIGN SC037 ENGINE CONTROL MODULE (ECM) REPROGRAM AND OXYGEN SENSOR REPLACEMENT.
Which vehicles does 040704 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 040704 a recall, and is the repair free?
No. 040704 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 040704?
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 040704, its date, and NHTSA's own summary from the public file.
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 040704. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.