DTC P0453: EVAP System Pressure Sensor - High Input: Condition
WARNING: This page is about a different car, the 2002 Suzuki Esteem. However, it is still accessible from the selected car via links, so may be relevant.
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.