DTC P0453: EVAP System, Pressure Sensor High Input: Condition

DTC is set when input voltage from Fuel Tank Pressure (FTP) sensor is greater than 4.8 volts with 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 Powertrain Control Module (PCM).