I have a 2012 expedition (6R80 Trans) I’m really lost at this point and would appreciate any input. It started putting me in limp mode and throwing a P0720 code. (Output shaft speed sensor) I drove it like this for a bit and just cleared the code as it came up. The sensor was a part of the lead frame so I pulled it and opened up the valve body to make sure everything looked good. I replaced the lead frame and reinstalled everything. (New gaskets, fluids, and filter as well) afterwards when I shifted out of park it did nothing. Torque converter is spinning but the transmission won’t engage, so my rpm’s are bouncing. I assumed I messed something up while the valve body was apart so I bought a new one and replaced it. I’m still having the same problem. And it’s continuing to throw the P0720 code as well as P0740 occasionally. Do I need to get the TCM programmed? Is there something I’m missing? I didn’t replace the bridge seal (but it wasn’t cracked or broke and went right back in place and I assume that wouldn’t cause this problem.