Lock-Up Is Not Released

Lock-up Is Not Released

SYMPTOM: The lock-up condition cannot be cancelled even after releasing the accelerator pedal.

DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Execute self-diagnosis.
Do the self-diagnostic results indicate torque converter clutch solenoid valve, engine speed signal, turbine revolution sensor, CAN communication?
YES >> Check the malfunctioning system. Refer to "DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE", "DTC P0725 ENGINE SPEED SIGNAL", "DTC P1716 TURBINE REVOLUTION SENSOR", "DTC U1000 CAN COMMUNICATION LINE".
NO >> GO TO 2.

2. CHECK SYMPTOM
Check again.
OK or NG
OK >> INSPECTION END
NG >> GO TO 3.

3. PERFORM TCM INSPECTION
1. Perform TCM input/output signal inspection. Refer to "TCM Input/Output Signal Reference Values"
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.