Ted S Lilburn , GA September 09, 2017 Appliance: Maytag Undercounter Dishwasher MDBH979AWB3 Maytag Dishwasher Mdbh979awb3: All buttons stopped working. How to replace Control Panel. Replaced controll panel, took 20 minutes- very simple! Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes