Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0073 control module communication bus off

Subaru Legacy BN/BS (2015-2019) Service Manual / Telematics system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0073 control module communication bus off

Detected when CAN line abnormality is detected.

NOTE:

Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE

Dtc u0452 invalid data received from restraints control module

Detected when CAN data from airbag CM is abnormal.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u0416 invalid data received from vehicle dynamics control module

This is detected when CAN data from VDC is abnormal.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Inspection
1. INSPECTION OF SWITCH UNIT1. Operate the switches to check the continuity between terminals.Preparation tool:Circuit testerSwitch positionTerminal No.StandardOFFA1 and A3Less than 1 -INTA1 and A3Less than 1 -LOA2 and A3Less than 1 -HIA2 and A4Less than 1 -Washer ONB2 and B3Less than 1 -2. Replace ...