Kia Telluride 2020 — technical service bulletin
Bulletin TSB_TRA089_R1 · NHTSA communication 11017171 · issued Apr 10, 2025
Technical service bulletin
communication type
Power Train
component
2020
model years
1
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: TCM MIL ON DTC P074100 LOGIC IMPROVEMENT - 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 improve the logic of the Transmission Control Module (TCM) on some 2020MY Telluride (ON) vehicles, produced from February 6, 2019, through December 9, 2019, which may experience lack of engagement of the torque converter damper clutch with illumination of the MIL and DTC P074100. When this occurs, the vehicle retains motive power, but
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.