Ford P0234 OBD-II Trouble Code Definition: P0234 Turbo/Super Charger Overboost Condition P0234 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0234 Turbo/Super Charger Overboost Condition What does the code mean? OBD-ii Code P0234 definition: The PCM disables (bypasses) the supercharger boost and sets a diagnostic trouble code (DTC) to keep from damaging the powertrain (engine or transmission) […]