Booked it in for alignment and bought a fresh pair of front driveshafts for it, because it's my car and if everyone else gets to be wrong about what's up with it (including JLR) then I do too
Presumably you can burn the data to Disk or USB, whichever you have available. I went for USB. Like me, you can do it yourself or for slightly more in cost, you can have them send it to you.
Here's where I got it...
Picked it back up today. It's been gone a week, along with a salvaged gearbox. They ended up keeping my original 4x4 unit and transferring it to the new box. Replaced the oil in it, along with a clean out, restoration and new oil for the haldex...