17964/P1556/005462

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17964/P1556 - Charge Pressure Control: Negative Deviation

Possible Symptoms

  • Boost pressure too low
  • Reduced power output (limp mode)

Possible Causes

  • Hoses/Pipes incorrect connected, disconnected or leaking
  • Charger Pressure Control defective
    • Solenoid Valve for Boost Pressure Control (N75) defective

Possible Solutions

  • Check Hoses/Pipes to/between Components
  • Check Charge Pressure Control
    • Check Solenoid Valve for Boost Pressure Control (N75)
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