Hi,
Based on not being able to move it from inside even with it disconnected indicates a problem with the shift interlock. That is actually good news because it means there isn't a mechanical issue in the transmission.
Don't laugh but check if the brake lights are working. The brake light switch is what powers the park lock. The parking brake light is powered by fuse 7 in the fuse box under the left side of the dash. If the lights don't work, confirm the fuse is good and has power to and from it. Here is a link that you may find helpful:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Also, there is a shift lock release at the front of the console. See pic 1 below. There is a button that when pressed, it should come out of park. See if that releases it.
Pic 2 simply identifies the brake light fuse.
Let me know what you find.
Joe
See pics below.
Images (Click to make bigger)
Sunday, July 3rd, 2022 AT 9:00 PM