Originally Posted by RonKZ650

I bought the diagun iv, and had no luck registering it to use, so it was useless in my mind, then bought the Snap on. After that, I found out my error in trying to register the diagun was my own doing coupled with Chinese instructions. Anyway, I could not return the diagun after it worked, because it works real great, so I kept it and had both. The Autels all looked real nice as well.
The repair was the cruise control switches. These switches are not just basic switches. It is an interface board with like ten IC chips that decode inputs ect and send info on the can bus. This switch setup is the first thing to try in many problems.