DTC P012B-21: Turbocharger/Supercharger Inlet Pressure Sensor Circuit Range/Performance - Signal amplitude < minimum: Action
WARNING: This page is about a different variant/trim than selected.
- Refer to the electrical circuit diagrams and check pre supercharger pressure sensor (post throttle) circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Inspect connectors for signs of water ingress and pins for damage and/or corrosion
- Using the manufacturer approved diagnostic system check throttle position voltage at ignition on
- Check intake manifold for leakage, loose or missing components
- Check air filter for blockage or restriction
- Check engine breather system for leakage
- Check throttle blade for carbon obstruction
- Check and install a new pre supercharger pressure sensor (post throttle) as required
- Check catalytic converter for damage
- Check exhaust system for blockage
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest