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Home >> BMW >> 2016 >> 435i 2D Convertible >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes (N55) >> Fault Code Tests >> DTC P2237: BMW DTC 2D25; DME -- O2 Sensor Positive Current Control Circuit/Open (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.