P0743

Documented for: 2.0L gasoline; 2.5L/3.0L gasoline · System(s): TRANS EOBD, TRANS OBD II · Factory MIL flag: 2 · Default action: TCM Default: –If short circuit to B+ V – TCC permanently engaged –If other cause – TCC inoperative

Common causes

• Transmission to TCM TCC solenoid circuit: open circuit
• short circuit to B+ V
• short circuit to ground Transmission internal TCC solenoid circuit: open circuit
• short circuit TCM Ground circuit: open circuit
• high resistance TCC Solenoid failure

Quick checks

• Confirm freeze-frame and conditions when the code set
• Inspect connectors, grounds, and harness for the circuit named in the code