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

DTC U0427: Invalid Data Received From Vehicle Security Control Module: DTC Detecting Condition

WARNING: This page is about a different car, the 2014 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Defective data was transmitted from keyless access Control Module.