P0740
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
INCORRECT FLUID LEVEL
INTERNAL TRANSMISSION PROBLEM - TCC OUT OF RANGE