Kitchenaid Dishwasher Not Starting

My kitchenaid model kudr25shwh1 will no longer start a cycle. I can select the desired cycle type and it lights up when selected, but as soon as I hit Start the selected cycle light turns off and the dishwasher doesn’t do anything. Pressing start a second time lights up the cancel light and kicks on the drain pump for a while even though there is no liquid in the dishwasher. Not sure if maybe there is a faulty sensor that is indicating liquid in the dishwasher even though it is empty? I tried turning off the circuit breaker to the dishwasher for 10 minutes to see if that would help but no luck. Any ideas would be appreciated!