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

Subaru Legacy BN/BS (2015-2019) Service Manual / Keyless access with push button start system (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 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 u0422 invalid data received from body control module

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

Other materials:

Installation
1. Install the 1st-2nd fork rod to the 1st-2nd shifter fork through the hole on the rear of the transmission case.2. Align the holes on the 1st-2nd fork rod and 1st-2nd shifter fork, and drive the straight pin into these holes using the ST to fix.NOTE:Use a new straight pin.ST 398791700REMOVER(A) ...