Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0100 lost communication with ecm/pcm "a"

Subaru Legacy BN/BS (2015-2019) Service Manual / Body control system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0100 lost communication with ecm/pcm "a"

No data is received from ECM.

NOTE:

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

Dtc u0073 control module communication bus off

Detected when malfunction occurs in CAN line. (Bus off)NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u0427 invalid data received from vehicle security control module

Received error data from keyless access CM.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Installation
NOTE:Before installation, remove mud and foreign matter from the disc brake assembly.1. Check the front disc rotor. Front Disc Rotor > INSPECTION2. Install the disc rotor.3. Install the disc brake assembly.Tightening torque:Mounting bolt: 120 N·m (12.2 kgf-m, 88.5 ft-lb)Brake hose bracket: 3 ...