Kia Niro 2023 — technical service bulletin
Bulletin TSB_TRA106 · NHTSA communication 10231842 · issued Feb 10, 2023
Technical service bulletin
communication type
Power Train
component
2023
model years
2
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: 6-SPEED DCT JUDGEMENT LOGIC IMPROVEMENT / GROUND BOLT TIGHTENING (P074A73) - This bulletin provides information to tighten both the clutch actuator and transmission control unit (TCU) grounding bolts then, upgrade the software logic of the 6-speed dual clutch transmission (DCT) on some 2023MY Niro P/HEV vehicles produced from June 14, 2022 through December 12, 2022, which may exhibit a poor shift quality concern and MIL "ON" with DTC P074A73 stored.
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.