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

Subaru Legacy BN/BS (2015-2019) Service Manual / Combination meter (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / 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

Dtc u1433 invalid data received from eyesight

Detected when CAN data from the stereo camera does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u1235 lost communication with eyesight

Detected when CAN data from the stereo camera does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Bulkhead wiring harness (in engine compartment) lh location
ConnectorConnecting toNo.PoleColorAreaNo.DescriptionAB132YC-3 Front sub sensor LHB53GrD-3 Daytime running light resistorB85GrB-5 Front wiper motorB92BC-4B67Battery current & temperature sensorB141BB-4 Starter motorB152GrC-5 Front ABS wheel speed sensor LHB162GrB-5 Brake fluid level switchB441BD-4 Ho ...