Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0101 lost communication with tcm

Subaru Legacy BN/BS (2015-2019) Service Manual / Infotainment system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0101 lost communication with tcm

Detected when CAN data from TCM does not arrive.

NOTE:

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

Dtc u0074 control module communication bus "body-can" off

Detected when CAN line abnormality is detected.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

General description

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Other materials:

Inspection mode procedure
It is possible to diagnose the DTC by performing the indicated inspection mode.After correcting the DTC, perform a necessary inspection mode and make sure that the function is resumed correctly and the DTC is recorded.1. INSPECTION MODE 1DTCItemNoteU0073CAN FAILURE, BUS ‘OFF’ DETECTION D ...