DTC P0234-77: Turbocharger/Supercharger "A" Overboost Condition - Commanded position not reachable: 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.
- Check the powertrain control module for related DTCs and if DTCs P2463-00 and P246B-00 are also logged, go to Pinpoint test A For additional information, refer to: EXHAUST SYSTEM
- Check powertrain control module for fuel injection related DTCs and refer to relevant DTC index
- Check exhaust system for mechanical integrity
- Check and correct the engine oil level
- Check air induction system/turbocharger for failure relating to excessive charged air conditions
- Check air induction system for leakage
- Check air induction system for excessive oil
- Check charge air pressure sensor for blockage
- Check turbocharger system/vanes for mechanical integrity
- Check electric throttle system/blade for mechanical integrity
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest