TSB TRA046 — Kia Service bulletin
TRA046 is a service bulletin on file with NHTSA for 8 Kia models, 2005–2025 model years, filed and re-filed as 4 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information relating to the correct…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years TRA046 names
| Vehicle | Model years |
|---|---|
| Kia Forte | 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
| Kia Optima | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 |
| Kia Rio | 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| Kia Sedona | 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
| Kia Sorento | 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| Kia Soul | 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| Kia Sportage | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2023, 2024, 2025 |
| Kia Telluride | 2020, 2021, 2022, 2023, 2024, 2025 |
Every document filed under TRA046
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 |
|---|---|---|
| TSB_TRA046_R5 | April 17, 2025 | Service bulletin |
| TSB_TRA046_R4 | May 16, 2024 | Service bulletin |
| TSB_TRA046_R3 | November 18, 2022 | Service bulletin |
| TSB_TRA046_R1 | April 24, 2020 | Service bulletin |
What TRA046 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB TRA046?
TRA046 is a service bulletin filed with NHTSA by Kia, covering 8 Kia models across the 2005–2025 model years. NHTSA's summary reads: TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information relating to the correct…
Which vehicles does TRA046 cover?
NHTSA's file names Kia Forte (2010–2024); Kia Optima (2005–2017); Kia Rio (2006–2023); Kia Sedona (2006–2012, 2014–2021); Kia Sorento (2011–2025); Kia Soul (2010–2025); Kia Sportage (2005–2020, 2023–2025); Kia Telluride (2020–2025). 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 TRA046 a recall, and is the repair free?
No. TRA046 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 TRA046?
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 TRA046, 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 TRA046. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.