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Home >> Lexus >> 2011 >> IS F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Multiplex Communication System (Diagnostics Codes) >> Multiplex Communication System >> DTC B1248: AVC-LAN Communication Impossible >> Description

DTC B1248: AVC-LAN Communication Impossible: Description

This DTC is detected if 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
  • AVC-LAN (Radio receiver assembly or multi-display assembly)
  • Gateway ECU
  • Wire harness or connector
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