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Home >> BMW >> 2012 >> X5 M >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - DTC P0035 - DTC P0480 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P0161, BMW Hex Code 0x12B801, BMW Code 1226753: O2 Sensor Heater Circuit (Bank 2 Sensor 2) >> Fault description

Fault description

The diagnostic function monitors the internal resistance of oxygen sensor 2 behind the catalytic converter.