Ford has offered this type of functionality (read-only, of course) for the last 15 years at least. They had at that time a parallel cable (remember those print

Ford has offered this type of functionality (read-only, of course) for the last 15 years at least. They had at that time a parallel cable (remember those printers) interface to their engine that would let you get all kinds of information. I coded to it - it was quite fun.