Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0122 lost communication with vehicle dynamics control module

Subaru Legacy BN/BS (2015-2019) Service Manual / Blind spot detection rear cross traffic alert (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / 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

Dtc u0140 lost communication with body control module

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

General description

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Other materials:

Dtc b2a08 sos button circuit
DIAGNOSIS START CONDITION:When ignition switch is ON.DTC DETECTING CONDITION:The following conditions occur for at least 50 ms.• SOS button impedance is more than 10 k-.• SOS button is stuck for at least 60 seconds.TROUBLE SYMPTOM:• SOS function cannot be used.• RED LED illum ...