DTC P0046-74: Turbocharger/Supercharger Boost Control "A" Circuit Range/Performance - Actuator slipping: Action
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the appropriate system wiring diagram and check the turbocharger vane actuator 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
- Check and install a new turbocharger vane actuator as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest