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DTC P0234:00: Notes

DTC P0234:00 (L3 WITH TC) DETECTION CONDITION & POSSIBLE CAUSES

DTC P0234:00 Turbo/supercharger overboost condition
DETECTION CONDITION 
  • If the manifold absolute pressure or charging efficiency are more than the specification for the specified period of time, the PCM determines that the turbocharger is in an over boost condition.

MONITORING CONDITIONS 
  • Engine speed: 2, 000 rpm or more 

Diagnostic support note 
  • This is a continuous monitor (other).
  • The MIL does not illuminate.
  • FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Wastegate control solenoid valve malfunction
  • Vacuum hose malfunction
    • Looseness
    • Damage
    • Improper installation
  • PCM malfunction
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