DTC P0452: Evaporative Emission System Pressure Sensor/Switch Low
WARNING: This page is about a different variant/trim than selected.
P0452 - EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH LOW
| 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 drops below a minimum allowable calibrated parameter. | ||
| Possible Causes: |
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| Diagnostic Aids: | An FTP V PID reading less than 0.22 volt 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 . | ||