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Home >> BMW >> 2014 >> 535d >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes (N47 & N57, Diesel) >> Fault Code Tests >> DTC P102A: BMW DTC 12B505; DME -- O2 Sensor Heating, Heater Error (Bank 1 Sensor 1) >> Fault description

Fault description

The diagnosis monitors the temperature of the oxygen sensor before catalytic converter.

Fault monitoring conditions:

The fault is detected when the oxygen sensor before catalytic converter fails to reach or maintain the operating temperature.

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