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

Dtc b2801 tcm abnormal

Detected when error occurs in the automatic transmission.NOTE:Check the automatic transmission. Basic Diagnostic Procedure > PROCEDURE ...

Diagnostics with phenomenon

...

Other materials:

Installation
Install in the reverse order of removal while being careful of the following.1. EVAPORATION PIPE INSTALLATION1. Install the evaporation pipe to the vehicle.2. Install the evaporation pipe protector.Tightening torque:T1: 1 N·m (0.1 kgf-m, 0.7 ft-lb)T2: 7.5 N·m (0.7 kgf-m, 5.4 ft-lb)3. I ...