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

DTC is set when engine coolant temperature is less than 176°F (80°C) and Fuel Tank Pressure (FTP) sensor input is more than 4.79 volts. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• FTP sensor malfunction.
• Open or short circuit between FTP sensor and PCM.
• PCM malfunction.