July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC U1C0B: Invalid Authentication Data Received From Brake System Control Module Ch-Bus

WARNING: This page is about a different car, the 2024 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to "LAN SYSTEM (DIAGNOSTICS)" for diagnostic procedure. Ref. to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .