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Troubleshooting

DTC P2757 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL PERFORMANCE OR STUCK OFF (SHIFT SOLENOID VALVE SLU)

SYSTEM DESCRIPTION




DTC Detecting Condition:




The ECM uses the signals from the Throttle Position Sensor and Air-flow Meter to monitor the engagement condition of the lock-up clutch.

Then the ECM compares the engagement condition of the lock-up clutch with the lock-up schedule in the ECM memory to detect mechanical trouble of the shift solenoid valve SLU, valve body, torque converter clutch and automatic transmission assembly (clutch, brake or gear etc.).


Step 1:




Step 2 - 3:




INSPECTION PROCEDURE