DTC U2002-24: Switch - Signal stuck high: 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.

Clear DTC and re-test. If DTC remains, install a new passenger side window switch