OBD Code P0234

Turbo/Super Charger Overboost Condition

What’s mean?

OBD2 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) during potential harmful operating conditions.

Symptoms

Possible sumptoms of P0234
– Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

Possible causes of P0234
– Brake torque (brake on and throttle at wide open). – Transmission oil temperature (TOT) exceeds calibrated threshold. – Engine over temperature. – Ignition misfire exceeds the calibrated threshold. – Knock sensor (KS) failure

Possible Solutions

Check for other diagnostic trouble codes accompanying P0234, or check appropriate and available PIDs related to the above possible causes.