DTC P0453: EVAP System Pressure Sensor - High Input: Condition
WARNING: This page is about a different car, the 2003 Suzuki Aerio. 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 more than specified value when engine is running. MIL is illuminated when Engine Control Module (ECM) detects malfunction during 2 consecutive drive cycles. Possible causes are:
- ECM malfunction.
- FTP sensor malfunction.
- FTP sensor circuit malfunction.