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
CAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION1. Disconnect the ground terminal from the battery sensor, and wait for at least 60 seconds before starting work. N ...