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Home >> BMW >> 2010 >> 550i Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P0035 - DTC P0480 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P0056, BMW Hex Code 0x12B404, BMW Code 1225732: HO2S Heater Control Circuit (Bank 2 Sensor 2) >> Monitoring criteria

Monitoring criteria

the self-diagnosis.

Potential problem source(s):

-Defect in wiring harness to oxygen sensor 2 behind catalytic converter

-Oxygen sensor 2 behind catalytic converter defective

-Defective DME

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