Removed the drain pump and bench tested it and it checked fine. Reinstalled pump and it worked fine for two washes and failed again. Removed it again and this time failed bench test. Called to verify part number and then ordered a pump. It was delivered in 3 days. Easy replacement, worked fine ever since. I really appreciate the 24/7 phone line, I spent a total of $96 instead of a whole new dishwasher.