To rule out an solenoid coil or driver pack issues you'll have to check both. If you encounter issues with your car’s height sensor, follow the steps. Between bump stop and axle
2x Ride Height Level Sensor for Land Rover Range Rover P38 1997-2002
Troubleshooting Guide: Range Rover P38 Height Sensor Test Air Spring For Front Lh
This happens if it comes across a worn or dead point in the track in the height sensor Download the land rover p38 electrical troubleshooting manual with circuit diagrams, diagnostics, and component locations in one detailed guide.