Hibakódmutató · medium
P1793
TCM Ignition switched power supply circuit malfunction
TCM Ignition switched power supply 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 –Fixed 4th gear
Common causes
- TCM Power supply circuit: open circuit (fuse) TCM Relay failure TCM Relay ground circuit: open circuit, high resistance TCM Relay supply circuits: open circuit (fuse) TCM Ground circuit: open circuit, high resistance
Quick checks
- Confirm freeze-frame and conditions when the code set
- Inspect connectors, grounds, and harness for the circuit named in the code