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:

Inspection
1. Measure the resistance between connector terminals.Preparation tool:Circuit testerConnectorTerminal No.Inspection conditionsStandard(a)1 — 3OpenLess than 1 -4 — 3CloseLess than 1 -(b)1 — 3Tilt downLess than 1 -4 — 3Tilt upLess than 1 -2. Replace the sunroof switch if the inspection result ...