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:

Disassembly
1. Remove the CVTF inlet pipe and CVTF outlet pipe.(A)CVTF outlet pipe(B)CVTF inlet pipe2. Remove all plugs from the transmission case.3. Remove the lubrication pipe.4. Remove the oil seal using a screwdriver wrapped with cloth etc.5. Remove the ball bearing from reduction driven gear using ST.ST ...