DTC U2123-00: Communication Error With Front Side Radar Sensor (LH)

U2123-00: (VCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with front side radar sensor (LH)
Detection condition	The vehicle control module (VCM) cannot receive CAN signal from the front side radar sensor (LH).
Fail-safe	(See DTC TABLE [VCM] .)
Possible cause	Malfunction in CAN communication line between front side radar sensor (LH) and vehicle control module (VCM) 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