I have gone back to construction mode. No CPU or PIO card. Plugged the the smart cards to see it recognizes up as being up and down as being down. It will log a comparator error and it sees the up and down signals correctly. I had the car in the middle of the hoist way on inspection. The directionals and slowdown are seen by the CPU as being in the proper state. When the wires are disconnected on TB3, it sees them. Going try a different set of ribbon cables but I'm still leaning towards a drive problem.
