18995/P2563/009571

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009571/P2563 - Turbocharger Boost Control Position Sensor Circuit

Possible Symptoms

  • MIL on

Possible Causes

  • G581 Faulty
  • Wiring and/or connections faulty
  • ECM faulty

Possible Solutions

  • Check fuses
  • Check wiring and connections
  • Ohm test G581, see factory repair manual


009571/P2563 - Turbocharger Boost Control Position Sensor Circuit: Implausible Signal

Possible Symptoms

  • MIL on

Possible Causes

  • Wiring and/or connections faulty
  • ECM faulty
  • G581 (Vane Position Sensor) Faulty or Binding due to adjustment/Turbocharger issues
  • Vacuum leak to/from Turbocharger (wastegate) actuator and Solenoid Valve for Boost Pressure Control (N75)

Possible Solutions

  • Check fuses
  • Check wiring and connections
  • Ohm test G581, see factory repair manual
  • Check mechanical Turbocharger operation to rule out binging and excessive carbon
  • Check vacuum supply to/from Solenoid Valve for Boost Pressure Control (N75) and Turbocharger (wastegate) actuator
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