Bill H Morganfield , KY April 18, 2021 Appliance: General Electric Dishwasher GDT655SMJ0ES Ge Dishwasher Gdt655smj0es: GE dishwasher code was showing bad door latch. I checked the switch and determined it was good. How to replace Dishwasher Main Control Board. After looking at forums and video, decided to change control board, it arrived in two days and corrected the problem. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes