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Home >> Subaru >> 2021 >> Outback Base >> Repair and Diagnosis >> Electrical >> Gauges >> Cockpit Control System (Diagnostics) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC U123A: Lost Communication With Driver Monitoring System

DTC U123A: Lost Communication With Driver Monitoring System

Detected when CAN data from the driver monitoring unit does not arrive.

NOTE: Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
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