Good day,has anyone successfully do a all keys lost for a range rover 2019 ,it takes the new big type 5 button smart key,hence I've tried it on the vehicle.it goes through all the steps but the last step when you have to hold the key in you hand and it tries to learn, it fails.I have tried it on the bench via the diagram it Gives.it then states chip not connected or chip locked.note I've tried reading it several times soldiered the cables accordingly, still States chip not connected or lock.
Please assist if possible.im508 is used as well as the xp400.
Thanks

Tags: all , keys , lost , range , rover , sport , 2019