Kenmore Range Error Code 3d11

Error code 3d11 means the control board has detected that the upper oven temperature sensor circuit is reading a resistance above 3680 ohms, which indicates an open circuit. Because the board cannot receive a valid temperature reading, it disables all cooking functions for the upper oven cavity. The most common cause is a failed sensor or a broken wire in the sensor circuit.

The upper oven is disabled by the control board when this code is present, so attempting to use that cavity for cooking will not work until the fault is cleared. Surface burners and any lower oven cavity may continue to operate depending on the model. You should not attempt to bypass the fault, as the control board disables the upper oven specifically because it cannot monitor temperature safely.

Resetting the range by cutting power at the breaker or unplugging it may temporarily clear the code from the display, but the error will return as soon as the control board attempts to read the upper oven sensor again. The underlying fault, whether a failed sensor, broken wire, or faulty connector, must be physically repaired before the code will stay cleared and normal oven operation will be restored.

A knowledgeable DIYer can diagnose and fix this error in many cases. Start by unplugging the range and using a multimeter to test the resistance of the upper oven temperature sensor. If the sensor reads open or far above the normal range at room temperature, replacing the sensor is a straightforward repair. If the sensor tests fine, inspect the wiring harness for visible damage or loose connectors before considering a control board replacement.

If only the temperature sensor needs replacement, repair costs typically fall in the range of $20 to $100 for the part, plus labor if a technician is hired. Wiring harness repairs vary depending on the extent of the damage. A control board replacement, if needed, is the most expensive scenario and can range from $150 to $400 or more for parts alone.