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 P2191, BMW Hex Code 0x27AA, BMW Code 10154: System Too Lean at Higher Load (Bank 1) (PLAUS) >> BMW Fault Code (hex)