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

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

Detected when an error occurs in the CAN line. (Bus off)

NOTE:

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

Dtc u0100 lost communication with ecm/pcm "a"

Detected when CAN data from engine control module (ECM) is not transmitted to stereo camera.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u0423 invalid data received from instrument panel cluster control module

Failure counter diagnosis of combination meterNOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

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Dtc u0100 lost communication with ecm/pcm "a"
NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure1. OUTLINE OF DIAGNOSIS (ENGINE TYPE FB)• Detect malfunction of CAN communication.• Judge as NG when CAN communication failure occurs with the ECM.2. EXECUTION CONDITION (ENGINE TYPE ...