Whirlpool Dishwasher Error Code E6

E6 on a Whirlpool dishwasher means the control board has detected a short circuit in the NTC temperature sensor circuit. The NTC thermistor monitors water temperature during the wash cycle, and a short circuit causes it to report an invalid reading. The dishwasher shuts down to prevent operating without reliable temperature data. The fault points to the sensor, the wiring harness, or in some cases the control board input circuit.

No, you should not continue running the dishwasher while E6 is active. Without a functioning temperature sensor, the control board cannot properly regulate the heating element, which creates a risk of overheating the water or failing to heat it adequately for sanitation. Stop using the appliance until the fault is diagnosed and repaired.

A power reset may temporarily clear the E6 code, but it will return as soon as the control board runs diagnostics or attempts to read the temperature sensor again. Because the fault is caused by a physical short circuit in the sensor or wiring, resetting the appliance does not address the underlying problem. A proper repair requires testing and replacing the faulty component.

A knowledgeable DIYer can diagnose this fault by disconnecting the NTC sensor connector and testing the sensor's resistance with a multimeter. If the sensor reads near zero ohms, it has failed and needs replacement. Wiring inspection and connector cleaning are also within reach for a careful DIYer, though control board replacement is typically better left to a technician.

If only the NTC thermistor needs replacement, parts and labor typically fall in the range of $75 to $175 depending on your location and service provider. If the wiring harness requires repair or replacement, costs may be slightly higher. Control board replacement, the least likely scenario, can range from $150 to $400 or more including parts and labor.