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

Subaru Legacy BN/BS (2015-2019) Service Manual / Keyless access with push button start 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

Diagnostic procedure with diagnostic trouble code (dtc)

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Dtc u0100 lost communication with ecm/pcm "a"

Detected when CAN data from the engine control module (ECM) does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Assembly
1. Press-fit the dust cover into extension case.2. Install the extension case oil seal to extension case. Differential Side Retainer Oil Seal > REPLACEMENT3. Install all plugs.NOTE:• Use a new O-ring or a gasket.• Apply CVTF to the O-rings.Tightening torque:T1: 22 N·m (2.2 kgf-m, ...