Felkodsregister · medium
P0453
FTP Sensor circuit high voltage (high pressure)
FTP Sensor circuit high voltage (high pressure)
Scope: 2.5L/3.0L gasoline · System(s): EMS OBD II · Factory MIL flag: 2
Common causes
- FTP Sensor to splice sensor ground circuit: open circuit
- high resistance FTP Sensor to ECM sense circuit: short circuit to high voltage FTP 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)