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Home >> Subaru >> 2020 >> Ascent Touring >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Exterior Lights (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0074: Control Module Communication Bus Off

DTC U0074: Control Module Communication Bus Off

Detected when CAN line abnormality is detected.

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