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 P2178, BMW Hex Code 0x27BA, BMW Code 10170: System Too Rich Off Idle (Bank 1) (SIG) >> BMW Fault Code (hex)