DTC U0129-00: Communication Error With Electronically Controlled Brake Unit

U0129-00: (SGC2/DMCM (E-SKYACTIV PHEV)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with electronically controlled brake unit
Detection condition	The drive motor control module cannot receive CAN signal from the electronically controlled brake unit.
Fail-safe	Not applicable
Possible cause	Malfunction in CAN communication line between electronically controlled brake unit and drive motor control module NOTE: Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system. (See MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)] .)
Repeatability verification procedure	Not applicable
System wiring diagram	Not applicable