P0740

Symptoms:
P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT

When Monitored and Set Condition: P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT
When monitored: During Electronically Modulated Converter Clutch (EMCC) Operation.
Set condition: A) Transmission must be in EMCC, with input speed > than 1750 RPM. TCC/L-R sol achieves the maximum duty cycle > can't pull engine RPM within 60 RPM of input speed. B) Transmissions is in FEMCC > engine slips TCC > than 100 RPM for 10 seconds.

POSSIBLE CAUSES:
RELATED DTC'S PRESENT
INTERMITTENT OPERATION
INTERNAL TRANSMISSION PROBLEM - TCC OUT OF RANGE