Kia Sorento 2022 — technical service bulletin
Bulletin TSB_ENG232 · NHTSA communication 10205498 · issued Dec 7, 2021
Technical service bulletin
communication type
Power Train
component
2022
model years
2
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ACCELERATION LOGIC IMPROVEMENT (ECU & TCU) (SA490) - This bulletin provides the procedure to update the software logic of the Engine Control Unit (ECU) and Transmission Control Unit (TCU) on some 2022MY Sorento (MQ4a) vehicles produced from August 11, 2021 through November 29, 2021 and Telluride (ON) vehicles produced from June 8, 2021 through November 4, 2021, which may exhibit rough shift and hesitation during acceleration.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.