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

DTC is set when engine coolant temperature is less than 176°F (80°C) and fuel tank pressure sensor input is less than .2 volt. This is a continuous monitor. MIL is illuminated when Powertrain Control Module (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:

• Fuel Tank Pressure (FTP) sensor malfunction.
• Open or short circuit between fuel tank pressure sensor and Powertrain Control Module (PCM).
• PCM malfunction.