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DTC P1227: WASTEGATE Failed Closed (Over Pressure)

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P1227 - WASTEGATE FAILED CLOSED (OVER PRESSURE)

Description:  Indicates that boost pressure is continuously higher than desired.
Possible Causes: 
  • Exhaust gas recirculation (EGR) valve
  • Mass airflow (MAF) sensor
  • Manifold absolute pressure (MAP) sensor
  • Supercharger bypass actuator stuck closed
  • Supercharger
Diagnostic Aids:  This DTC is informational only and it may be accompanied by other DTCs. Diagnose other DTCs first.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST KJ .
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