This sounds like a PCM issue but to be sure we should do a CAN scan which will show for sure what's going on. here is a link to the instructions and video on how to do the job, I have also included how to change out the PCM:
You can get one pre-programed, they have many companies that do this.
Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
Images (Click to enlarge)
Sunday, April 3rd, 2022 AT 11:35 AM