OBD 2 port activates the scanner and does the scan but comes up with an error message?

The first thing you want to do is make sure the scanner reads in another car to confirm the scanner operation. If so, then let's look at the fuse (stop lamp and NGI1 fuse in the interior fuse panel.

Here is a guide to help and the wiring diagrams so you can see how the system works and the fuse location as well:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

This video can help:

https://youtu.be/6Tlg3JmgNSQ

Check out the diagrams (below). Please let us know what happens.