DTC U0422: Invalid Data Received From Body Control Module

WARNING: This page is about a different car, the 2021 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.

DTC detecting condition:

When all the following conditions are met.

Battery voltage stays at 10 V or more for longer than one second.
CAN bus is not in sleep state.
Not transitioned to CAN data transmission stop mode.
When one of reception IDs of body integrated unit becomes and remains in one of the following states.
- Lost communication has not been determined.
- The targeted message counter of reception ID has not been updated 32 times or more consecutively.
  Or check sum error has been consecutively detected 3 times.

NOTE: Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>Basic Diagnostic Procedure>PROCEDURE .