DTC B124B: Automatic High Beam System [10/2014 - 10/2015]: Description

The DTC is stored when the main body ECU (multiplex network body ECU) detects malfunctions in the automatic high beam system.

DTC No.	DTC Detection Condition	Trouble Area
B124B	Malfunction in automatic high beam system	Electronically controlled brake system Hybrid control system CAN communication system Inner rear view mirror assembly Main body ECU (multiplex network body ECU)