DTC B11C4-23: Boot/Trunk Close Button - Signal stuck low: 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.

Test the operation of the luggage compartment lid close switch. Check and install a new luggage compartment lid close switch. Clear the DTCs and retest
Refer to the electrical circuit diagrams and check the luggage compartment lid close switch circuit for short circuit to ground. Repair the wiring harness, clear the DTCs and retest