Carl W Hamden , CT October 24, 2014 Appliance: Whirlpool Undercounter Dishwasher GU1500XTLT0 Whirlpool Dishwasher Gu1500xtlt0: Only worked very sporadically. How to replace Electronic Control Board. Replaced control board Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes