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Home >> Subaru >> 2021 >> Forester Base >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body 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

Not received data from driver monitoring unit.

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