DTC P0451-2A: EVAP System Pressure Sensor/Switch "A" Circuit Range/Performance - Signal stuck in range: Action
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- Check evaporative emission system integrity
- Check the correct purge valve is installed and rectify as required
- Inspect connectors for secure connection, signs of water ingress, check pins for damage and/or corrosion. Rectify as required
- Using the Jaguar Land Rover approved diagnostic equipment, reconfigure the powertrain control module with the latest level software
- Check the correct powertrain control module is installed and rectify as required
- Refer to the electrical circuit diagrams and check the EVAP system differential pressure sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Check and install a new EVAP system differential pressure sensor as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest