Kenmore Dishwasher Error Code 2-2

Error code 2-2 means the main control board cannot communicate with the user interface board, which houses the LCD display and control buttons. The most common reasons are a loose wire harness at the P1C connector on the main control, a damaged cable between the two boards, or an incompatible control board installed during a prior repair. Checking the P1C connector first costs nothing and resolves the issue in many cases.

No. When error code 2-2 is active, the main control and user interface cannot communicate, which means the control panel will not function reliably or at all. The dishwasher will not complete a normal cycle in this state. Do not attempt to operate it until the connection issue is resolved, as operating with a broken control communication link can result in incomplete cycles or unexpected behavior.

Yes, this is a documented cause of the 2-2 code. If the error appeared immediately after a main control board replacement, verify that the part number on the installed board matches what the dishwasher model requires. Even boards that look physically identical may have different firmware or connector pinouts that make them incompatible with the original LCD display module. Cross-reference the model and part numbers before purchasing a replacement control board to avoid this issue.

Start by unplugging the dishwasher or shutting off the circuit breaker. Access the main control board and firmly reseat the connector at the P1C port. Restore power and check whether the code clears. If it returns, use a multimeter to verify 5VDC between pins P1C-2 and P1C-4. No voltage at those pins points to a failed main control board; correct voltage with the code still present points to a faulty UI board or harness.

If the cause is only a loose P1C connector, the repair costs nothing beyond your time. A replacement wire harness typically runs $20 to $60 depending on the model. A new user interface board generally costs $80 to $150 in parts, and a main control board runs $100 to $200. Professional labor for a dishwasher control repair usually adds $100 to $200 to the total, so DIY diagnosis and repair on this code can save significant money if you are comfortable working with appliance electronics.