B12E4-23 Rear Door Lock Switch - Interior - Signal stuck low: 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.

NOTE: This DTC may be induced by the driver operating the rear central door locking lock switch for longer than 60 seconds.

Check the operation of the rear central door locking lock switch. Free the stuck switch or install a new rear central door locking lock switch as necessary
Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the rear central door locking lock switch circuit for short circuit to ground. Repair the wiring harness or install a new rear central door locking lock switch as necessary