Home >> BMW >> 2012 >> 335i 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P0617 (BMW DTC 1F1B40) Through DTC U1128 (BMW DTC CDC304) >> DTC U1184; BMW DTC CD8486: DME/DDE PT-CAN2: Communication fault >> Fault code