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B2A39 BMW Fault Code

Check B2A39 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.

B2A39 Code Symptoms :

See B2A39 in engine

When you turn on the ignition, the Service Engine Soon or Check Engine B2A39 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 B2A39!

Diagnosis And Repairing B2A39

B2A39 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 B2A39 code ?

See B2A39 repair manual
  • Continuous oil flow to the VCT piston chamber
  • EVAP canister or fuel tank leaks
  • Camshaft advance mechanism binding (VCT unit)
  • Loss of ground.

BMW Cars that meet B2A39 error