Successfully add a spare key to Porsche Cayenne 2020 MLB system using VVDI MLB Tool and VVDI Key Tool Plus.
Connect MLB Tool with VVDI Key Tool Plus.
Go to MLB Immobiliser systems menu. Check wiring diagram.
Remove original key board, remote capacitors as the diagram shows. Then connect the board to MLB solder free adapter.
Collect key data.
Xhorse does not have Porsche style MLB key yet. So here use OEM Porsche MLB key. It will deduct 200 remote points.
Calculating immo data from the original key.
The server calculation is successful. Save immo data.
Then generate dealer key and learn key with vvdi key tool plus.