TSB TSB-025 — Kia Service bulletin

TSB-025 is a service bulletin on file with NHTSA for the Kia Sorento, 2008–2009 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. KIA: INFORMATION RELATED TO THE TRANSMISSION CONTROL MODULE (TCM) UPGRADE FOR CERTAIN MODELS. VEHICLES WITH 3.3L ENGINE MAY EXPERIENCE A BUMPING SYMPTOM DURING ENGAGEMENT OF THE DAMPER CLUTCH (TORQUE CONVERTER LOCK UP CLUTCH), AND A BUCKING SYMPTOM WHEN THE DAMPER CLUTCH IS…

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

1Document filed
1Vehicle named
2Model years

Vehicles and model years TSB-025 names

VehicleModel years
Kia Sorento 2008, 2009

Every document filed under TSB-025

Document IDFiledType
TSB-025 October 1, 2009 Service bulletin

What TSB-025 covers

Electrical, Transmission & drivetrain — the component vocabulary NHTSA files this communication under.

← All Kia Sorento TSB years TSB lookup by model

Questions buyers ask

What is TSB TSB-025?

TSB-025 is a service bulletin filed with NHTSA by Kia, covering the Kia Sorento across the 2008–2009 model years. NHTSA's summary reads: KIA: INFORMATION RELATED TO THE TRANSMISSION CONTROL MODULE (TCM) UPGRADE FOR CERTAIN MODELS. VEHICLES WITH 3.3L ENGINE MAY EXPERIENCE A BUMPING SYMPTOM DURING ENGAGEMENT OF THE DAMPER CLUTCH (TORQUE CONVERTER LOCK UP CLUTCH), AND A BUCKING SYMPTOM WHEN THE DAMPER CLUTCH IS…

Which vehicles does TSB-025 cover?

NHTSA's file names Kia Sorento (2008–2009). 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-025 a recall, and is the repair free?

No. TSB-025 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-025?

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-025, 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-025. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.