Gerald R Laporte , IN September 12, 2014 Appliance: Model BOSCH SHU3307UC/12 Main control unit failed woudn't cycle Called ' Parts ' for a Main Control Unit for my 1994 Bosch Dish Washer . Received in 7 Days. Instructions came with it . I'm a Electrician with 60 yrs experience. Followed instructions . It had several different models listed , be sure to use the proper model for programing . Call Parts to be sure you get the right unit for your machine . I tried ordering on line and got the wrong part , was confusing . Got the new control installed , back in service . G.D.Richardson LaPorte IN. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes