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Home >> Subaru >> 2018 >> Crosstrek Base, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U123C: Lost Communication With High Beam Assist Control Module

DTC U123C: Lost Communication With High Beam Assist Control Module

Not received data from HBA module.

NOTE:
  • Check if the customize setting is correct.
  • Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>Basic Diagnostic Procedure>PROCEDURE .