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Home >> Jeep >> 2006 >> Liberty Limited, 2.8 5 >> Repair and Diagnosis >> Engine Performance >> System >> Diesel - DTCS P0671 To P1102 >> Diagnosis And Testing >> P0864-TCM Torque Reduction Signal Error >> Possible Causes

Possible Causes

Possible Causes 
ENGINE CONTROL MODULE
TORQUE MANAGEMENT REQUEST SIGNAL CIRCUIT OPEN
TORQUE MANAGEMENT REQUEST SIGNAL CIRCUIT SHORTED TO GROUND
TORQUE MANAGEMENT REQUEST SIGNAL CIRCUIT SHORTED TO VOLTAGE
TRANSMISSION CONTROL MODULE
INTERMITTENT CONDITION