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So you're on the right track with pulling up the error code and the error does means that the dishwasher isn't filling properly---however this is rarely the case. This model is known for the control board actually failing and causing this issue because it will fill, drain, fill drain when it should just be filling. Either way at this point with the valve replaced and if you're sure the dishwasher is getting good water pressure from your house, you'll need to replace the control board inside your door.
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I do not unfortunately.