TSB TSB-044 — Kia Service bulletin

TSB-044 is a service bulletin on file with NHTSA for 3 Kia models, 2001–2009 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. KIA: ECM UPGRADE WITH TP SENSOR REPLACEMENT-MIL ON WITH DTC P2135/P0638. INFORMATION RELATED TO ECM SOFTWARE AND TP SENSOR UPGRADE ON SOME VEHICLES WITH 2.7L ENGINES WHICH MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH THE ELECTRONIC THROTTLE CONTROL (ETC)…

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

1Document filed
3Vehicles named
9Model years

Vehicles and model years TSB-044 names

VehicleModel years
Kia Optima 2001, 2002, 2003, 2004, 2005
Kia Sedona 2002, 2003, 2004, 2005
Kia Sorento 2003, 2004, 2005, 2006, 2007, 2008, 2009

Every document filed under TSB-044

Document IDFiledType
TSB-044 November 1, 2009 Service bulletin

What TSB-044 covers

Electrical, Engine — the component vocabulary NHTSA files this communication under.

← All Kia Optima TSB years TSB lookup by model

Questions buyers ask

What is TSB TSB-044?

TSB-044 is a service bulletin filed with NHTSA by Kia, covering 3 Kia models across the 2001–2009 model years. NHTSA's summary reads: KIA: ECM UPGRADE WITH TP SENSOR REPLACEMENT-MIL ON WITH DTC P2135/P0638. INFORMATION RELATED TO ECM SOFTWARE AND TP SENSOR UPGRADE ON SOME VEHICLES WITH 2.7L ENGINES WHICH MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH THE ELECTRONIC THROTTLE CONTROL (ETC)…

Which vehicles does TSB-044 cover?

NHTSA's file names Kia Optima (2001–2005); Kia Sedona (2002–2005); Kia Sorento (2003–2009). 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 TSB-044 a recall, and is the repair free?

No. TSB-044 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 TSB-044?

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 TSB-044, 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 TSB-044. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.