Home >> BMW >> 2012 >> 760Li >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N74 - Diagnostic Trouble Codes - DTC P15D0 (BMW DTC 20A701) Through DTC U1128 (BMW DTC CDC304) >> DTC U1190; BMW DTC 231F04: Electronic transmission control (EGS), PT-CAN, PT-CAN2: Communication fault >> Fault code