Kenneth H Longwood , FL July 09, 2022 Appliance: General Electric Dishwasher GDT695SSJ0SS Ge Dishwasher Gdt695ssj0ss: I had 815 error code on GE dishwasher model gdt695ssj0ss would not start. How to replace Dishwasher Main Control Board. Replaced WD21X24901 control board underneath the front on the dishwasher and it starts and runs like it should now. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes