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Home >> BMW >> 2014 >> 650i 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - Bank 1 (N63TU) >> Fault Code Tests >> DTC P2240: BMW DTC 12BD54; DME -- O2 Sensor Positive Current Control Circuit/Open (Bank 2 Sensor 1) >> Fault description

Fault description

The diagnosis monitors the oxygen sensor before catalytic converter.

Fault monitoring conditions:

This fault code is detected whenever there is an electrical fault on the oxygen sensor before catalytic converter.