P0453
Evaporative Emission Control System Pressure Sensor High Input
System: EVAP
Severity: medium
What does P0453 mean?
The DTC P0453 (Evaporative Emission Control System Pressure Sensor High Input) is a fault code stored by the ECU when it detects a EVAP pressure high condition in the evap subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0453
- Failed pressure sensor
- Stuck purge valve
- Wiring short
How to fix P0453
Replace sensor — usually integrated in fuel sender on modern cars.
Tuning approach with DaVinci Deluxe
For P0453, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- Pressure sensor scaling
- EVAP monitor off
Need to fix P0453 on your ECU?
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