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P0223
TP Sensor sense circuit 2 (TP2) high voltage
TP Sensor sense circuit 2 (TP2) high voltage
Scope: 2.5L/3.0L gasoline · System(s): EMS OBD II · Factory MIL flag: 2 · Default action: ECM Default: –Throttle motor and throttle motor relay disabled –Throttle valve opening set to default value –Idle speed controlled by fuel injection intervention –Idle speed adapti…
Common causes
- TP Sensor to ECM sensing circuit (TP2): short circuit to high voltage TP Sensor failure
Quick checks
- Confirm freeze-frame and conditions when the code set
- Inspect connectors, grounds, and harness for the circuit named in the code
- Compare live sensor values vs expected (unplugged/biased sensors are common)