GE Dishwasher Error Code F154

F154 on a GE dishwasher indicates a door latch diagnostic failure. The machine control board ran an internal self-check of the door latch system and received an unexpected or invalid result. The dishwasher halts operation when this code appears to prevent running a cycle with an unverified door latch status. The fault can originate in the control board, the latch assembly itself, or the wiring connecting the two.

A power reset by unplugging the dishwasher or turning off the circuit breaker for a few minutes may temporarily clear the code, but it will return if the underlying fault is not corrected. Because F154 is triggered by a diagnostic failure in the control board or latch circuit, the fault needs to be physically diagnosed and repaired to prevent the code from reappearing.

Repair costs vary depending on the failed component. A replacement door latch assembly typically costs in the range of $20 to $60 for the part, while a machine control board can range from $100 to $250 or more depending on the model. Adding professional labor, total repair costs generally fall somewhere between $150 and $400, though this can vary based on your location and service provider.

Some basic checks, such as inspecting the wiring harness connectors at the door latch and control board for looseness or corrosion, can be done by a careful DIYer. However, if those checks do not resolve the issue, the repair typically requires replacing the machine control board or door latch assembly, which involves working with electrical components and is best handled by a qualified technician.

It is not recommended to continue using the dishwasher while F154 is active. The error indicates the control board cannot confirm the door latch is functioning correctly, and running a cycle without a verified latch could result in the door opening during operation and causing water damage. Address the fault before resuming use.