Subaru Legacy BN/BS (2015-2019) Service Manual: General description

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 ...

Preparation tool

1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — (Newly adopted tool)SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed op ...

Other materials:

Removal
1. SEDAN MODEL1. Disconnect the ground terminal from the battery sensor, and wait for at least 60 seconds before starting work. NOTE2. Remove the trim panel assembly - rear shelf. Rear Shelf Trim > REMOVAL3. Remove the light assembly - high-mounted.(1) Disconnect the connector.(2) Remove the lock ...