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

Dtc u0074 control module communication bus "body-can" off

Detected when CAN line abnormality is detected.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

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:

Inspection
1. COMMUNICATION FOR INITIALIZING THE AIRBAG SYSTEM IS IMPOSSIBLEDETECTING CONDITION:Defective harness connectorTROUBLE SYMPTOM:Communication is impossible between the airbag control module and the Subaru Select Monitor.NOTE:Refer to “Communication for Initializing Impossible” in AIRBAG ...