DTC P0452 - EVAP System Pressure Sensor/Switch A Circuit Low

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DTC DESCRIPTION P0452 - EVAP SYSTEM PRESSURE SENSOR/SWITCH A CIRCUIT LOW

Description: This DTC sets when the fuel tank pressure (FTP) sensor signal average drops below a minimum allowable calibrated parameter.
Possible Causes: Contamination internal to the FTP sensor connector FTP circuit open VREF circuit open FTP circuit short to ground FTP circuit short to SIGRTN Damaged FTP sensor
Diagnostic Aids: An FTP voltage PID reading less than 0.22 volt in ignition ON, engine OFF or ignition 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 .