DTC P0453: Evaporative Emission System Pressure Sensor/Switch High
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P0453 - EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH HIGH
| Description: | The powertrain control module (PCM) monitors the evaporative emission (EVAP) control system fuel tank pressure (FTP) sensor input signal to the PCM. The test fails when the signal average jumps above a minimum allowable calibrated parameter. | ||
| Possible Causes: |
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| Diagnostic Aids: | An FTP voltage PID reading greater than 4.85 volts in key ON, engine OFF or key ON, engine running indicates a concern is present. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HX . | ||