Dishwaher wont start

The clean light blinks 7 times and the dishwasher will not start. I replaced the pump and motor assembly, checked continuity between control module and heating element. It seems to have continuity, holding the door switch closed. Do I have to replace the heating element? Can I buy AP3775964 with element and control module that is in model #KUDI01ILBT4, which calls for the same control module as mine. Or is there something else that may be wrong with it?

Can you get it to start, using any other cycle selection?

dishwasher will not start in any other modes after trying any different settings or buttons