DTC U0300-57: Internal Control Module Software Incompatibility - Invalid/incomplete software component: Action

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2019 Land Rover Range Rover Evoque, 2018 Land Rover Range Rover Evoque, 2017 Land Rover Range Rover Evoque, 2016 Land Rover Range Rover Evoque, and 2015 Land Rover Range Rover Evoque. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: After updating the car configuration file, set the ignition to on and wait 30 seconds before clearing the DTCs

Using the Jaguar Land Rover approved diagnostic equipment, check the snapshot data to determine the missing message source control module. Check the relevant control module for related DTCs and refer to the relevant DTC index
Check the components installed on the vehicle were installed by the factory or a dealer
Install the original component or a new one as required