Step 1: Read EEPROM data with Xhorse VVDI Prog
Remove KESSY module under the steering wheel from vehicle
Open Kessy module and locate 93C86 EEPROM. Connect vvdi programmer with chip IC 93C86.
Open VVDI Prog software
Select 4th Immobilizer->KESSY(2008-)
(*VW Touareg, Phaeton, Porsche Cayenne and Audi A8 from 2004 use Access/Start Authorization (KESSY) system for transponder keys authorization. )
Read and save KESSY eeprom data
Install KESSY module back to vehicle.
Step 2: Program key with Lonsdor K518ISE
(You can make new key with other programmers as well, i.e Xhorse VVDI2)
Connect Lonsdor K518 key programmer with vehicle via OBD socket
Select Immobilizer->Porsche->Cayenne-> -2010->Immobilizer->Program key
Turn ignition to ON position
Switch ignition off then on
Lonsdor K518 require to enter 5-digit pin code to access
Select Program channel 21
Enter number of keys to be programmed: 1
Switch ignition off, insert all keys and switch ignition on and keep at least for 5 seconds.
When replace all keys, press OK to finish key learning.
If remote control works but cannot start car, the dashboard indicates IMMOBIL ACTIVATED,
press the pedal brake.