MULTIPLEX COMMUNICATION SYSTEM, Diagnostic DTC:B1248

DTC Code DTC Name
B1248 AVC-LAN Communication Impossible

DESCRIPTION

This DTC is detected if communication between the AVC-LAN (multi-media module receiver assembly) and gateway ECU stops for more than 10 seconds.

DTC No. DTC Detection Condition Trouble Area
B1248 AVC-LAN communication is impossible

  • AVC-LAN (multi-media module receiver assembly)

  • Gateway ECU

  • Wire harness or connector

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK for DTC


    1. Check for AVC-LAN communication DTCs.

      Result
      Result Proceed to
      AVC-LAN communication DTCs are not output, and there are no symptoms specified in the problem symptoms table. A
      AVC-LAN communication DTCs are not output, and there are no symptoms specified in the problem symptoms table. B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART (NAVIGATION SYSTEM) Click here

    A

    REPLACE GATEWAY ECU