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Home >> BMW >> 2015 >> 740Li >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes (N55) >> Fault Code Tests >> DTC P3018: BMW DTC 12BD50; DME -- O2 Sensor Lambda Controller Value Above Threshold Due To Open Pumping Current Circuit (Bank 1 Sensor 1) >> Fault description
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Fault description

The diagnosis monitors the oxygen sensor before catalytic converter.

Malfunction monitoring conditions

This fault code is detected whenever there is an electrical fault on the oxygen sensor before catalytic converter.