DTC B2405: Sub Bus LIN Module Communication Malfunction: Description

This DTC is output when LIN communication between the luggage room junction block (rear junction block ECU) and map light assembly stops for 10 seconds or more.

DTC Code	DTC Detection Condition	Trouble Area
B2405	No communication between luggage room junction block (rear junction block ECU) and map light assembly for 10 seconds or more	Map light assembly Luggage room junction block (rear junction block ECU) Harness or connector