DTC U0300-55: Internal Control Module Software Incompatibility - Not configured: Action

WARNING: This page is about a different car, the 2016 Land Rover LR4, 2015 Land Rover LR4, and 2014 Land Rover LR4. However, it is still accessible from the selected car via links, so may be relevant.

Using the manufacturer approved diagnostic system, re-configure the air suspension control module with the latest level software
Using the manufacturer approved diagnostic system, re-configure the instrument cluster with the latest level software
Using the manufacturer approved diagnostic system, perform a CAN network integrity test. Refer to the appropriate system wiring diagrams and check the high speed CAN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance