Rick L Clinton , TN July 04, 2016 Appliance: Whirlpool Undercounter Dishwasher GU2300XTVQ2 Whirlpool Dishwasher Gu2300xtvq2: The dishwasher would not start. How to replace Control Panel. I had to replace control panel. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes