OBD-II port not working?

Sure, here is a guide to help and you should check the fuse # 44 in the under-hood fuse panel. I would also try the scanner on a different car to make sure it works. I have included the ALDL connector wiring diagram as well so you can see how the system works.

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

Check out the images (below). Please let us know what happens. Please make sure the connector is free from corrosion as well.