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

DTC sets when Fuel Tank Pressure (FTP) sensor output voltage is higher than specified value when engine is running. MIL is illuminated when ECM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• Short or open circuit between FTP sensor and ECM.
• FTP sensor malfunction.
• ECM malfunction.