DTC B124D: Lost Communication with AFS LIN; DTC B2432: Lost Communication with Automatic High Beam Sensor: Description

The DTC B124D is stored when the main body ECU (multiplex network body ECU) detects malfunctions in the LIN communication system.
The DTC B2432 is stored when the AFS ECU (headlight swivel ECU assembly) detects malfunctions in the LIN communication system.

DTC No.	DTC Detection Condition	Trouble Area
B124D	Malfunction in LIN communication system	Inner rear view mirror assembly Harness or connector AFS ECU (headlight swivel ECU assembly)
B2432	Malfunction in LIN communication system	Inner rear view mirror assembly Harness or connector AFS ECU (headlight swivel ECU assembly)