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 (radio receiver or multi-display) and gateway ECU stops for more than 10 seconds.

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

  • AVC-LAN (radio receiver or multi-display)

  • Gateway ECU

  • Wire harness or connector

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK for DTC


    1. Check for AVC-LAN communication DTCs.

      OK
      AVC-LAN communication DTCs are not output, and there are no symptoms specified in the problem symptoms table.

    NG

    GO TO "DIAGNOSTICS TROUBLE CODE CHART" OF AUDIO SYSTEM OR NAVIGATION SYSTEM Click here

    OK

    REPLACE GATEWAY ECU