DTC P0452: EVAP System, Pressure Sensor Low Input: Condition

DTC is set when input voltage from Fuel Tank Pressure (FTP) sensor is less than .2 volt with intake air temperature more than 14°F (-10°C) and engine coolant temperature less than 176°F (80°C). Possible causes are:

• Fuel tank pressure sensor malfunction.
• Open or short circuit between fuel tank pressure sensor and PCM.
• PCM malfunction.