P0234
High severityTurbocharger Overboost Condition
The turbocharger is producing more boost pressure than expected. The ECM has detected this and may limit engine power to protect components.
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Common causes of P0234
1Sticking wastegate
2Faulty boost control solenoid
3Blocked wastegate vacuum line
+2 more causes
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Diagnose P0234 freeCommonly affected vehicles
VolkswagenAudiBMWFordVauxhall
P0234 can appear on any vehicle — these are the makes where it is most frequently reported.
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