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

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Other materials:

Installation
1. Set the range select lever to the “N” range.2. Install the parking pawl shaft, return spring and parking pawl.NOTE:Make sure that the end of return spring sticks out of parking pawl as shown in (a). Make sure that the other end contacts the rib of transmission case as shown in (b).(A) ...