DTC    B1248    AVC-LAN Communication Impossible

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DESCRIPTION

This DTC is detected when communication between the AVC-LAN (radio receiver assembly or multi-display assembly) and multiplex network gateway ECU stops for more than 10 seconds.

DTC No.
DTC Detection Condition
Trouble Area
B1248
AVC-LAN communication is impossible
  1. AVC-LAN (radio receiver assembly or multi-display assembly)
  2. Wire harness

INSPECTION PROCEDURE

1.CHECK OPERATION

  1. Check for AVC-LAN communication DTCs.

    OK:
    AVC-LAN communication DTCs are not output.



NG
GO TO "DIAGNOSTICS TROUBLE CODE CHART" OF AUDIO SYSTEM OR NAVIGATION SYSTEM
OK

GO TO "PROBLEM SYMPTOMS TABLE" OF AUDIO SYSTEM OR NAVIGATION SYSTEM