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

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

DTC DETECTING CONDITION:

Detected when CAN data from ECM does not arrive.

NOTE:

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

Dtc u0101 lost communication with tcm

DTC DETECTING CONDITION:Detected when CAN data from TCM does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

General description

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Other materials:

Operation
1. REGISTRATION (COMM CHECK)CAUTION:Because it will go back to Factory mode when the signal is weak, that you do not press the i button more than 2 seconds during a communication check. If it had returned to Factory mode, carrying out the CommCheck again. Each mode state can be confirmed in the &ldq ...