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Home >> BMW >> 2007 >> M Coupe >> Repair and Diagnosis >> Engine Performance >> System >> Diagnostic Trouble Codes (S54) >> MSS70 Engine Operating System DTCS >> DTC P112D, BMW Hex Code 0x2C3E, BMW Code 11326: O2 Sensor Negative Current or Positive Current Control Circuit/Open (Bank 2 Sensor 1) (SIG) >> Possible Fault Causes

Possible Fault Causes

Sensor not active. Open VG or IP wire. Catalytic converter plugged (rich exhaust gas on oxygen sensor in overrun cutoff mode); oil or gasoline in exhaust gas in overrun cutoff mode OR: Open pump current path or virtual ground.

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