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Home >> BMW >> 2016 >> M2 Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes (N55) >> Fault Code Tests >> DTC P2251: BMW DTC 2D27; DME -- O2 Sensor Negative Current Control Circuit/Open (Bank 1 Sensor 1) >> Condition for fault identification

Condition for fault identification

Voltage precondition

Temperature condition

Time condition

Other preconditions

Terminal status