Ive been advsied my TCU in my L405 SDV8 MY17 has died (fried)....quote is over 1000GBP (Im in Oz, so thats Lots of Aussie dollars). Does anyone know if I can replace with one from a wrecked car if my Indy Mechanic has access to LR Service kit? 2017 Range Rover Vogue SE SDV8 (with e-diff)
2012 Range Rover Vogue TDV8 Luxury (SOLD)
2010 Land Rover Discovery 4 3.0 TDV6 HSE Stornoway Grey (SOLD)
2006 Land Rover Discovery 3 SE 2.7TDV6 Black, G4 Challenge Copy (gone)

As far as I'm aware, they can only the programmed once.

It is cheaper to get a tracker and immobiliser system fitted, which are more advanced than the old telematics units. 2015 Range Rover Autobiography 4.4 SDV8