DTC U0122: Lost Communication With Vehicle Dynamics Control Module

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

DTC detecting condition:

When the ignition is ON, CAN data from VDC Control Module is not received for 2 seconds or more.

Trouble symptom:

NOTE:

Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE