My dishwasher will not stop washing unless I open door. If someone bumps door washer starts again by itself
Hi.
Based on the information you provided the most likely problem is bad control board [part]8530929[/part]
Here are the breakdown diagrams and Frame and Console parts for Whirlpool GU940SCGB3 - AppliancePartsPros.com
Unplug the unit before repairing it.
Post the results.
Simon.