Subaru Legacy BN/BS (2015-2019) Service Manual: General description

Dtc u0074 control module communication bus "body-can" off

Detected when CAN line abnormality is detected.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Preparation tool

1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — (Newly adopted tool)SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed op ...

Other materials:

Malfunction indicator light does not go off
TROUBLE SYMPTOM:Although malfunction indicator light comes on when the engine runs, DTC is not shown on the Subaru Select Monitor or general scan tool display.STEPCHECKYESNO1.CHECK DTC.Is DTC of engine or LAN system displayed- Read Diagnostic Trouble Code (DTC) > OPERATIONCheck the appropriate DTC ...