TSB TRA111 — Kia Service bulletin

TRA111 is a service bulletin on file with NHTSA for the Kia Sorento, 2021–2023 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. TECHNICAL SERVICE BULLETIN: 8-SPEED DUAL CLUTCH TRANSMISSION EOP SENSORLESS LOGIC IMPROVEMENT - This bulletin provides information to improve the Electric Oil Pump ‘EOP’ operation logic of the automatic transmission ‘A/T’ on some 2021-2023MY Sorento (MQ4a) vehicles produced from…

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

3Documents filed
1Vehicle named
3Model years

Vehicles and model years TRA111 names

VehicleModel years
Kia Sorento 2021, 2022, 2023

Every document filed under TRA111

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 IDFiledType
TSB_TRA111_R2 November 14, 2024 Service bulletin
TSB_TRA111_R1 August 22, 2024 Service bulletin
TSB_TRA111 July 31, 2024 Service bulletin

What TRA111 covers

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

← All Kia Sorento TSB years TSB lookup by model

Questions buyers ask

What is TSB TRA111?

TRA111 is a service bulletin filed with NHTSA by Kia, covering the Kia Sorento across the 2021–2023 model years. NHTSA's summary reads: TECHNICAL SERVICE BULLETIN: 8-SPEED DUAL CLUTCH TRANSMISSION EOP SENSORLESS LOGIC IMPROVEMENT - This bulletin provides information to improve the Electric Oil Pump ‘EOP’ operation logic of the automatic transmission ‘A/T’ on some 2021-2023MY Sorento (MQ4a) vehicles produced from…

Which vehicles does TRA111 cover?

NHTSA's file names Kia Sorento (2021–2023). 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 TRA111 a recall, and is the repair free?

No. TRA111 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 TRA111?

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 TRA111, 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 TRA111. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.