Diagnostic Trouble Code Chart [08/2019 - ]

HINT:

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See" below.

LIGHTING SYSTEM

DTC Code	Detection Item	Trouble Area	See
B1244	Light Sensor Circuit	Automatic light control sensor Main body ECU (multiplex network body ECU) Harness or connector	Refer to DTC B1244: Light Sensor Circuit [08/2019 - 08/2022] , or refer to DTC B1244: Light Sensor Circuit [08/2022 - ]
B124B	Automatic High Beam System	Forward recognition camera system Dynamic radar cruise control system Lane departure alert system Pre-collision system SFI system Vehicle stability control system CAN communication system Forward recognition camera Main body ECU (multiplex network body ECU)	Refer to DTC B124B: Automatic High Beam System [08/2019 - 08/2022] , or refer to DTC B124B: Automatic High Beam System [08/2022 - ]
B124C	Automatic High Beam Camera	Forward recognition camera system	Refer to DTC B124C: Automatic High Beam Camera [08/2019 - 08/2022] , or refer to DTC B124C: Automatic High Beam Camera [08/2022 - ]
U023A	Lost Communication With Image Processing Module "A"	CAN communication system	Refer to DTC U023A: Lost Communication With Image Processing Module "A" [08/2019 - ]