Test platform cable for Porsche Cayenne KESSY ELV You can connect the Dashboard, ELV, KESSY IMMO box, gateway, ECU, EIS and key on the bench to test whether the ELV works properly after repair. You can also match the key on the bench, or directly program online on the bench to replace the control unit. It is very practical for locksmith and automotive electronic repair personnel. You can order from here if you need: https://www.auto-chips.com/porsche-cayenne-kessy-elv_p0194.html