How Do I Know If My Dishwasher Control Board Is Bad?

How Do I Know If My Dishwasher Control Board Is Bad? Unplug dishwasher or disconnect power. Open the dishwasher door. Open console and disconnect the keypad ribbon connection from the control (at P1). Put console back together. Plug in dishwasher or reconnect power. Wait 5 seconds. How do I reset my dishwasher control panel? How