DTC B14AD-05: Front Display Screen - System programming failures: Action

WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

Refer to the appropriate System Wiring Diagram(s) and check the integrity of the touch screen power and ground circuits. Connect the manufacturer approved diagnostic tool and check connections are secure before reconfiguring the touch screen. Clear DTCs and retest
If fault persists, replace the touch screen