DTC U2012-08: Car Configuration Parameter(s) - Bus signal/message failures: Action

WARNING: This page is about a different car, the 2015 Land Rover LR2, 2014 Land Rover LR2, and 2013 Land Rover LR2. However, it is still accessible from the selected car via links, so may be relevant.

Cycle the ignition status and re-test. If DTC remains, re-configure the central junction box using the manufacturer approved diagnostic system