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

Dtc u0100 lost communication with ecm/pcm "a"

DTC DETECTING CONDITION:Detected when CAN data from ECM does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Preparation tool

CAUTION:To measure the voltage and resistance of airbag system component, be sure to use the specified test harness.1. SPECIAL TOOL• SUBARU SELECT MONITORILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARK ...

Other materials:

Removal
1. Fully open the front hood. NOTE2. Remove the collector cover.(1) Carefully pull up the rear of collector cover at two positions (A).(2) Carefully pull up the front of collector cover at two positions (B) while moving it forward.3. Collect the refrigerant. Refrigerant Recovery Procedure > PROCED ...