Possible Causes

WARNING: This page is about a different car, the 2016 Land Rover LR4, 2015 Land Rover LR4, and 2014 Land Rover LR4. However, it is still accessible from the selected car via links, so may be relevant.

Incorrect vehicle ride height calibration. For example, height sensor removed and re-installed or renewed without recalibrating
Height sensor circuit(s) short circuit to ground, short circuit to power, open circuit, high resistance
Height sensor mechanical failure - Linkage bent/broken