U120F BMW Fault Code
Check U120F OBD Fault Code ReasonThe 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.
U120F Code Symptoms :
When you turn on the ignition, the Service Engine Soon or Check Engine U120F 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 U120F!
Diagnosis And Repairing U120F
U120F 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 U120F code ?
- Continuous oil flow to the VCT piston chamber
- Camshaft Position Sensor harness is open or shorted
- Improper ignition timing
- Open VPWR circuit
