DTC U0300-46: Internal Control Module Software Incompatibility - Calibration/parameter memory failure: Action

WARNING: This page is about a different car, the 2018 Jaguar XF, 2017 Jaguar XF, and 2016 Jaguar XF. 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 and retest. If the fault persists, clear the DTCs, lock the vehicle and wait 2 minutes. Unlock the vehicle and retest. If the fault persists, install a new body control module/gateway module assembly