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Home >> BMW >> 2009 >> M3 2D Convertible, Automatic DCT >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - DTC P1602 - DTC U1153 (S65) >> MSS60 Engine Operating System DTCS >> DTC P2271, BMW Hex Code 0x273A, BMW Code 10042: O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 2) (MAX) >> Remarks

DTC P2271, BMW Hex Code 0x273A, BMW Code 10042: O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 2) (MAX): Remarks

Active trim control (steady-state operation between 2000 and 3000 RPM in part-load range.... min. 120 sec.)