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

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

Detected when CAN data from ECM 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 ...

Dtc u0452 invalid data received from restraints control module

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

Other materials:

Removal
NOTE:• The rear lock button is integrated with the switch - opener rear gate.• Open the panel - rear gate before disconnecting the ground terminal from battery sensor.1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the trim panel - rear gate. Rear Gate Trim > REMOV ...