So I swapped out my old cl s trans for a used 69k oddy trans. The swap went well I swapped over all necessary parts to the odyssey trans. But I also ended up swapping over two other parts because I broke one and the other I knew was new. One of those was the tcc solenoid, and the other was the flat plate with a sensor on it Im not quite sure the name of it but it was held in by 4 10mm bolts that's is mounted directly on the face of the trans. I drove it fine for a whole day and the next day (this morning) the d5, cel and /!\ kicked on all at once. The trans stayed in whatever gear I would manually put it in and stay that way from 0-xx mph until I changed the gear and after switching gears it would shift really HARD... The only code I get is P0753. Shift solenoid A. I checked the connector, the resistance of the shift solenoid and it was all good. Is there anything else I could do to check it? I also did a series of trouble shooting through the alldata troubleshooting steps that I will finish tomorrow and that is starting from the d7 PCM to the the number 2 shift solenoid to see if there is a open wire same for the ground as well. Any advice will be greatly appreciated. I checked the fluid withy the car on and the fluid seemed to be fine. It was all fresh from doing the swap. Thanks in advance for everyone's help.

 

Figured out the issue moderator please go ahead and delete. Thank you.

 

What was it?

 

There's many differences in the transmission harnesses for sure so if you didn't use your original harness then that would surely cause some issues. If it wasn't that, my money would've also went against a bent pin when reseating a connector.

As Gnuts requested, the answer?