C0663 BMW Fault Code

Description:

The issue covered by the bulletin involves a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperature operation.

C0663 Code Symptoms :

When you turn on the ignition, the Service Engine Soon or Check Engine C0663 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the C0663!

Diagnosis And Repairing C0663

C0663 OBD2 reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.

How to fix C0663 code ?

• Continuous oil flow to the VCT piston chamber
• Faulty ignition coil (s)
• Fuel filler cap remains open or fails to close
• Variable Camshaft Timing (VCT) position circuit is open or shorted