Dana J San Diego , CA February 09, 2017 Appliance: KitchenAid Undercounter Dishwasher KUDE40FXBL0 Kitchenaid Dishwasher Kude40fxbl0: Wouldn't execute wash sequences. How to replace Dishwasher Sump And Motor Assembly. Ran diagnostics which showed no communication with spray motor. removed DW from counter and found loose wire and worn spray supply hose. ordered spray pump and motor assembly which was delivered very quickly. reassembly was straight forward and dishes are cleaner now than before the breackdown. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours