DTC U3000-04: Control Module - System internal failures: Action

WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

Using the Jaguar Land Rover approved diagnostic equipment, reconfigure the gateway module with the latest level software. Clear the Diagnostic Trouble Code(s) and retest. If the fault persists, clear the Diagnostic Trouble Code(s), lock the vehicle and wait two minutes. Unlock the vehicle and retest. If the fault persists, install a new gateway module