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Home >> Mini >> 2007 >> Cooper Base, 2D Hatchback, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Codes - With Diagnosis (N12) >> Diagnostic Trouble Codes MEV17.2 (N12) >> DTC P2251, BMW Hex Code 0x2AAB, BMW Code 10923: O2 Sensor Negative Current Control Circuit/Open (Bank 1 Sensor 1) (SIG) >> Possible Fault Causes

Possible Fault Causes

Open wire, Oxygen sensor before catalytic converter