DTC B1C38-23: Master Unlock Switch Stuck - Signal stuck low: Action

WARNING: This page is about a different car, the 2015 Land Rover LR2, 2014 Land Rover LR2, and 2013 Land Rover LR2. However, it is still accessible from the selected car via links, so may be relevant.

Refer to the appropriate system wiring diagrams and check the instrument panel unlock switch circuit for short circuit to ground
Test the operation of the instrument panel unlock switch