GE Dishwasher Not Completing Cycle? What a Failing UI Control Looks Like
A GE dishwasher not completing cycle, with power coming and going, usually points to the user interface control rather than the house circuit. On this GDT545PSJ2SS in San Clemente, the panel worked for a couple of days at a time and then quit, coming back after a reset. The fix was a new GE Configured UI Control, part number WD21X23003.
The call was a GE GDT545PSJ2SS that had been running unpredictably. Some days it started a cycle and shut itself off partway through. Other days it acted as though it had no power at all, no lights, no response to the buttons. The owner had found that cutting power and bringing it back would wake it up, and then it might run fine for a day or two before the behavior returned.
Why was this GE dishwasher not completing cycle?
The failing part was the user interface control, the board behind the front touch panel. That board reads your button presses and tells the main control what to do. When it starts to break down internally, it does not fail cleanly. It drops out, the display goes dark, the cycle stops where it is, and a power cycle resets the board long enough for it to behave again.
The pattern is what gives it away. A real power problem, a tripped breaker or a bad connection at the junction box, does not heal itself on a timer and then relapse. A motor or pump fault leaves the control panel lit and gives you an error or a stalled cycle you can see. This one was dark one minute, normal the next, with nothing else in the machine acting up. On this model that combination lands on the front panel control more often than anything else.
The repair
I installed a GE Configured UI Control, part number WD21X23003, which is the configured panel assembly for this model. “Configured” means it comes matched to the model it goes into, so the buttons and the cycle options on the panel line up with what the machine actually does. Ordering a generic board or a panel from a neighboring model number is where these repairs go wrong.
The UI control sits in the door, so the door has to come apart to reach it. That is line voltage work with the dishwasher’s power still connected at the wall until it is properly shut off, which is a job for a technician rather than a weekend project.
What you can check before you call
Check the breaker and the outlet or junction box feeding the dishwasher first, since a loose connection can imitate the same on-again, off-again behavior. Look at whether the panel lights are dead during a failure or whether the lights stay on while the cycle stops. Dead panel with a reset bringing it back is the UI control story. Lights on with the cycle hung in place is a different problem, and it is worth telling whoever you call which one you are seeing.
FAQ
Why does my GE dishwasher turn on and off by itself?
Most often the user interface control board is dropping out. The dishwasher is still getting house power, but the board that interprets your button presses loses its grip and the machine goes dark mid cycle. Because the fault is internal to the board and heat and vibration affect it, it can come and go for weeks. If the panel is dark during the failure and lights up again after a reset, that board is the first suspect.
Does resetting a GE dishwasher at the breaker fix this?
It restores operation, but only for a while. Pulling power clears the board and it starts behaving again, sometimes for a day or two, which is exactly what the owner of this GDT545PSJ2SS was experiencing. A reset that keeps working over and over is itself diagnostic information: it means nothing mechanical is jammed or burned out, and something on the control side is losing its state.
Can I replace the GE dishwasher control panel myself?
I would not recommend it. The UI control is mounted inside the door, and getting to it means opening the door assembly on a machine wired directly into line voltage. You also need the correct configured part, WD21X23003 for this GDT545PSJ2SS, because a panel from a similar model will not map to the right cycles. Have a technician confirm the diagnosis before any part is purchased.
Need this looked at?
If your GE dishwasher is cutting out mid cycle or playing dead until you reset it, we cover San Clemente and the surrounding area. Have your model number ready when you call, since the UI control is model-specific and we can bring the right one with us.

