Question:
I keep getting 8002 invalid port when trying to connect Renault Nissan Key Pro


Answer:
you have to do the following steps:
1, right click "My computer"
2, choose "Manage"
3, open "Device Manager"
4, Click "Communications Port(COM3)"
5, click "USB Serial Port Properties"
6,click " Port Settings"
7, open "Advanced"
8, Choose "COM Port Number" as COM port 12

check how to set COM PORT number as follows