DTC B2430: LED Headlight LH Circuit Malfunction; DTC B2431: LED Headlight RH Circuit Malfunction: Description

These DTCs are stored when the low beam headlights do not illuminate, or a malfunction is detected in the communication between the headlight assembly and main body ECU (multiplex network body ECU).

DTC No.	DTC Detection Condition	Trouble Area
B2430	LED headlight LH circuit malfunction	Light control ECU LH Headlight unit LH No. 1 integration relay Harness or connector Main body ECU (multiplex network body ECU)
B2431	LED headlight RH circuit malfunction	Light control ECU RH Headlight unit RH No. 1 integration relay Harness or connector Main body ECU (multiplex network body ECU)