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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 (overhead junction block) stops for 10 seconds or more.

DTC DETECTION CONDITION CHART

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