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C1038 BMW Fault Code

Check C1038 OBD Fault Code Reason
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.

C1038 Code Symptoms :

See C1038 in engine

When you turn on the ignition, the Service Engine Soon or Check Engine C1038 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 C1038!

Diagnosis And Repairing C1038

C1038 OBD2 specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.

How to fix C1038 code ?

See C1038 repair manual
  • Continuous oil flow to the VCT piston chamber
  • Faulty Intake Valve Timing Control Solenoid Valve
  • Damaged camshaft position (CMP) sensor
  • Open VPWR circuit

BMW Cars that meet C1038 error