Possible Causes
- The boosting system is unable to build/control the boost pressure in the air induction system
- Other related DTCs
- Fuel injection related DTCs
- Exhaust system leakage
- Pre turbocharger
- Excessive oil in the air induction system
- Air induction system leakage
- Charge air pressure sensor blocked
- Charge air shut-off valve
- Turbine intake shut-off valve
- Turbocharger system/vanes mechanical integrity