The solution for nissan key prog
 

Some new user of nissan key programmer hold the 8002 invalid port concern, given that the following:

Issue:
I continue to keep getting 8002 invalid port when attempting to connect renault/nissan critical programmer.
http://www.uobd2.com/upload/temp//in...-number(2).jpg

Remedy:
It's important to do the subsequent actions:
1. suitable click "My computer"
2. pick out "Manage"
3. open up "Device Manager"
4. simply click "Communication Port(COM3)"
5. simply click "USB Serial Port Properties"
6. click " Port Settings"
7. open up "Advanced"
8. Select "COM Port Number" as COM port twelve