In this article,i will share the method how to add new key for Porsche Cayenne all key lost.

Fold keys are divided into two frequency, 315M is the ordinary fold, and 433M smart key, both of them can use write start all key lost.Below is operation procedure in detail.




1.Dismantle the KESSY Module

Under the steering wheel to find KESSY computer, dismantle the KESSY Module. As shown below, a black box.



Open the shell, in the computer board near the CPU to find 8 pin chip, model num is 93C86. Use programmer to read the data.









2.Write start key

Use TM100 Transponder Key Programmer, VVDI or other wirte start device to load the data that read from 93C86 chip. The following I use VVDI make a demo:

1)Open the VVDI2 Key Programmer Software,then select “Immo data processing tool”,”Porsche”, Car Model”Cayenne”,type”93C86″







2)Then load in the data form 93C86 Chip,VVDI2 will display the key information include “ID” and “Key Number” and so on.Put a new key into the VVDI2 coil.Click to generate dealer key,the device will generate a new 93C86 file(save it),and it will remind you that”the dealer key generate successful”.







3)Load the new 93C86 file into VVDI2 to chack 3 key informaiton in the data as shown below.


4) Use the VVD2 write the new 93C86 file back in 93C86 chip and weld it back on KESSY Computer,assemble KESSY on your car.