P334B/013131

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P334B/013131 - Charge Pressure Control Actuator: Mechanical Malfunction

Possible Symptoms

  • Malfunction Indicator Light (MIL) and/or Exhaust Warning Lamp active
  • Reduced Idle quality and Engine Performance

Possible Causes

  • Faulty Charge Pressure Control Actuator
  • Faulty Turbocharger
  • Wiring issues to/from Charge Pressure Control Actuator
  • Mechanical adjustment problem with Charge Pressure Control Actuator and Turbocharger.
    • Engine Controller software issue with 1.2l TFSI engines. See Special Notes

Possible Solutions

  • Check Charge Pressure Control Actuator and Turbocharger
  • Check wiring to/from Charge Pressure Control Actuator
  • Check the Mechanical adjustment of the Charge Pressure Control Actuator and Turbocharger
    • Check TPIs for known Engine Controller software issues with 1.2l TFSI engines. See Special Notes

Special Notes