17958/P1550/005456
From Ross-Tech Wiki
17958/P1550/005456 - Boost Pressure Control Valve (N75): Control Deviation
Possible Symptoms
- Malfunction Indicator Light (MIL) ON
- Engine misfiring/juddering/running rough
- Power Loss / Limp Mode
Possible Causes
- Hoses/Pipes incorrectly connected, disconnected, blocked or leaking
- Charger Pressure Control faulty
- Solenoid Valve for Boost Pressure Control (N75) faulty
- Turbocharger faulty
- Vacuum Unit for Turbocharger faulty
Possible Solutions
- Check Hoses/Pipes to/between Components
- Check Charge Pressure Control
- Check Solenoid Valve for Boost Pressure Control (N75)
- Check Turbocharger
- Check Vacuum Unit for Turbocharger