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:

Assembly
1. CAM CARRIER RH1. Install the filter to the cam carrier RH.NOTE:Use a new filter.Filter insert position:Cam carrier RH end face 0+0 −0.5 mm (+0 −0.0197 in) position(A)0 — 0.5 mm (0 — 0.0197 in) 2. Set the intake camshaft RH and the exhaust camshaft RH to the cam carrier RH.NOTE: ...