Kia Sorento 2022 — technical service bulletin
Bulletin TSB_ENG232_R1 · NHTSA communication 10205429 · issued Dec 20, 2021
Technical service bulletin
communication type
Electrical System
component
2022
model years
2
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ACCELERATION LOGIC IMPROVEMENT (ECU & TCU) (SA490) - 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 the procedure to update the software logic of the Engine Control Unit (ECU) and Transmission Control Unit (TCU) on some 2022MY Sorento (MQ4a) vehicles and Telluride (ON) vehicles produced in the date ranges listed below, which may exhibit rough shift and hesitation during acceleration. Follow the procedure outlined in this pu
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.