This video shows how I fixed an issue with our GE dishwasher had no power, no lights, and would not turn on. I was able to fix this a few times by flipping the breaker off and on, so try that first. In my case, I had to replace the control board.
Dishwasher model number: GDT545PSJ5SS
Link to the board I installed:
https://amzn.to/3uFwdVg
Part number of the board: WD21X24901