DTC P0234-77: Turbocharger/Supercharger "A" Overboost Condition - Commanded position not reachable: Action

WARNING: This page is about a different variant/trim than selected.

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