DTC P0452 Or DTC P0453: Condition
WARNING: This page is about a different car, the 2003 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0452 is set when Engine Control Module (ECM) detects Fuel Tank Pressure (FTP) sensor output voltage is lower than .5 volt.
DTC P0453 is set when Engine Control Module (ECM) detects Fuel Tank Pressure (FTP) sensor output voltage is higher than 4.5 volts. MIL is illuminated when ECM detects either malfunction during 2 consecutive drive cycles. Possible causes are:
- ECM malfunction.
- EVAP control system hoses malfunction (clogged).
- FTP sensor malfunction.
- FTP sensor circuit malfunction.