故障コード索引 · medium
P1746
Reduction timing solenoid circuit malfunction
Reduction timing solenoid circuit malfunction
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: no engine braking in D, 4, 3, 2 –If other cause: poor shift quality
Common causes
- Transmission to TCM reduction timing solenoid circuit: open circuit, short circuit to B+ V, short circuit to ground Transmission internal reduction timing solenoid circuit: open circuit, short circuit TCM ground circuit: open circuit, high resistance Reduction timing 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