16683/P0299/000665
From Ross-Tech Wiki
16683/P0299/000665 - Boost Pressure Regulation: Control Range Not Reached
Possible Symptoms
- Reduced Power Output
- Limp Mode
Possible Causes
- Hoses/Pipes incorrect connected, disconnected or leaking
- Charger Pressure Control defective
- Turbocharger faulty
- Diverter Valve faulty
Possible Solutions
- Check Hoses/Pipes to/between Components
- Check / Clean / Replace Charge Pressure Control
- Check Turbocharger
- Check Diverter Valve
Special Notes
- When found in 2.0l TFSI:
- Check Boost Pressure Control Valve (N249), for cracked rubber diaphragm. A new/optimized Valve is available under Part # 06H-145-710-D (or newer), see TPI 2016331 for details.