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Home >> Subaru >> 2021 >> Legacy Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Front Relay Control Module (Diagnostics) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC U0074: Control Module Communication Bus "Body-Can" Off

DTC U0074: Control Module Communication Bus "Body-Can" Off

When the IGN power supply voltage becomes equal to or larger than 10 V continuously for 1 second, CAN controller information bus-off continues for 0.5 seconds or more.

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