KIA · 2023-04-06
TECHNICAL SERVICE BULLETIN: 6-SPEED DCT JUDGEMENT LOGIC IMPROVEMENT / GROUND BOLT TIGHTENING (P074A73) - 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 information to tighten both the clutch actuator and transmission control unit (TCU) grounding bolts, and 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.