DTC U0122: Lost Communication With Vehicle Dynamics Control Module

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

NOTE:

For the diagnostic procedure, refer to LAN article. Ref. to LAN SYSTEM (DIAGNOSTICS) (EXCEPT FOR HEV)>BASIC DIAGNOSTIC PROCEDURE .
For the detection standard, refer to DTC U0101. Ref. to LAN SYSTEM (DIAGNOSTICS) (EXCEPT FOR HEV)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0101: LOST COMMUNICATION WITH TCM .