DTC U0073: Control Module Communication Bus OFF; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0182: Lost Communication With Lighting Control Module Front [07/2022 - ]: Description

These DTCs are stored if a CAN communication malfunction occurs between the headlight ECU sub-assembly RH and other ECUs.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
U0073	Control Module Communication Bus OFF	The No. 1 headlight ECU sub-assembly RH does not send/receive data.	CAN communication system	AFS (Sub) HL AutoLeveling (Sub)
U0126	Lost Communication with Steering Angle Sensor Module	The No. 1 headlight ECU sub-assembly RH does not receive data from the steering sensor for approximately 10 seconds or more.	CAN communication system Steering sensor No. 1 headlight ECU sub-assembly RH	AFS (Sub) HL AutoLeveling (Sub)
U0142	Lost Communication with Body Control Module "B"	The No. 1 headlight ECU sub-assembly RH does not receive data from the main body ECU (multiplex network body ECU) for approximately 10 seconds or more.	CAN communication system Main body ECU (multiplex network body ECU) No. 1 headlight ECU sub-assembly RH	AFS (Sub) HL AutoLeveling (Sub)
U0182	Lost Communication With Lighting Control Module Front	The No. 1 headlight ECU sub-assembly RH does not receive data from the No. 1 headlight ECU sub-assembly LH for approximately 10 seconds or more.	CAN communication system No. 1 headlight ECU sub-assembly RH No. 1 headlight ECU sub-assembly LH	AFS (Sub) HL AutoLeveling (Sub)