There is no drain solenoids in your dishwasher. You may want to check the drain pump (#325 on the diagram
). There is check valve (red flopper) in the outer pump tube which can cause drain stoppage.
The dishwasher has to be removed from the cabinet to access the part.
- The drain pump assembly Part number: AP3872950
Here are the breakdown diagrams and Replacement parts for General Electric GLD4200L15CC Dishwasher | AppliancePartsPros.com