The Push Button Switch is an OEM part for GE dishwashers. It is an electro-mechanical button located on the control panel that allows users to select options and operate wash cycle features.  Causes of a bad switch could be repeated pressing over time deteriorating the button mechanism. Liquid intrusion into the switch housing may also cause the failure of electronic components. Symptoms of a failed switch include: The associated function no longer responds to button presses   Erratic or intermittent behavior when selecting options The switch button becomes stuck in the depressed position Compatible with Hotpoint, RCA, and select Kenmore models as well, this switch helps prevent further control panel issues down the line.Part Number WD21X10267 (AP3994680) replaces 1263989, AH1517659, EA1517659, PS1517659.