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DTC B2405 Sub Bus LIN Module Communication Malfunction: Description

This DTC is stored when LIN communication between the No. 2 main body ECU and overhead junction block stops for 10 seconds or more.

DTC DETECTION CONDITION CHART

DTC Code	DTC Detection Condition	Trouble Area
B2405	No communication between the No. 2 main body ECU and overhead junction block for 10 seconds or more.	Overhead junction block No. 2 main body ECU Harness or connector