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

Dtc u0122 lost communication with vehicle dynamics control module

Detected when CAN data from VDC CM does not arrive.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:

Dtc b2a0c dcm internal fault
DIAGNOSIS START CONDITION:When ignition switch is ON.DTC DETECTING CONDITION:• Main microcomputer and communication circuit IC cannot communicate. (Defective IPC)• SIM (communication chip) cannot be read. (Defective SIM)TROUBLE SYMPTOM:• Telematics function cannot be used.• R ...