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DTC B124B: Automatic High Beam System [10/2016 - 09/2020]: Description

This DTC is stored when the main body ECU (multiplex network body ECU) detects a malfunction in the automatic high beam system.

DTC No. Detection Item DTC Detection Condition Trouble Area
B124B Automatic High Beam System Malfunction in 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)
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