Subaru Legacy BN/BS (2015-2019) Service Manual: Function check

Dtc u0101 lost communication with tcm

No data is received from TCM.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Operation

1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the target vehicle information and select «Confirmed».3. On «Main Menu» display, select «Each System».4. ...

Other materials:

Radiator cap inspection
1. Check that the radiator cap does not have deformation, cracks or damage.2. Attach the radiator cap tester to radiator cap.3. Check the maximum pressure while pumping the radiator cap tester several times. Replace the radiator cap if its valve opens at less than the service limit.CAUTION:• B ...