Subaru Legacy BN/BS (2015-2019) Service Manual: General description

Dtc u0100 lost communication with ecm/pcm "a"

DTC DETECTING CONDITION:No data is received from ECM.TROUBLE SYMPTOM:Cooperation control of transmission may not operate properly.STEPCHECKYESNO1.CHECK PERFORMING OF BASIC DIAGNOSTIC PROCEDURE.Was the ...

Preparation tool

1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — (Newly adopted tool)SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed op ...

Other materials:

Adjustment
1. Remove the liquid gasket from the mating surface completely.2. Using the ST, install the drive pinion retainer to converter case.ST 18270KA020SOCKET (E20)NOTE:Do not confuse the three different-length bolts when installing.Tightening torque:43 N·m (4.4 kgf-m, 31.7 ft-lb)3. Rotate the dr ...