1. Have you adjusted the throttle body pressure cable? Yes, shifts were slightly hard, but very smooth after adjustment. But didn't help the lack of electronic shifting.
2. Have you tested the TPS? No, but it was replaced about a year ago. If it needs to be tested, I'll have to buy a meter and learn how to use it. Or I have a spare believed to be good that I could swap in if necessary.
3. Have you adjusted the NSS? (It is more than just a safety switch.) Yes, I double checked it again yesterday. Starts in both park and neutral and my reverse lights are working. Safe to assume it's adjusted correctly?
4. Have you adjusted the shift cable? No. What is this?
5. Have you unplugged the TCU and tried shifting manually? You would have 1st in 1-2; 3rd in 3; 4th in D; reverse, neutral, and park. If you don't, your problem is hydraulic/mechanical. No, I haven't unplugged it, but the behavior you describe is exactly what I have with it plugged in. Should I try it unplugged as well?