DTC P0450: EVAP Circuit, Pressure Sensor Malfunction: Condition

DTC is set when Power Control Module (PCM) detects Fuel Tank Pressure (FTP) sensor output voltage is lower than .5 volts or higher than 4.5 volts with engine running. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• FTP sensor malfunction.
• PCM malfunction.