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. Release the parking brake.2. Using the Subaru Select Monitor, go to the brake maintenance mode according to the display screen. Parking Brake System > OPERATIONNOTE:For detailed operation procedures, refer to “Application help”.3. Disconnect the ground terminal from battery sensor. ...