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. DATA COMMUNICATION MODULE1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the center grille assembly. Air Vent Grille > REMOVAL3. Remove the heater control assembly. Control Panel > REMOVAL4. Remove the audio assembly or navigation assembly. Audio > REMOVAL5. Remove the da ...