Temperature changes inside the refrigerator and sends corresponding signals to the electronic control system. Based on these readings, the control system can adjust the cooling components to maintain the selected temperature range. A faulty or damaged thermistor may cause inconsistent temperatures, excessive cooling, or inadequate cooling. Replacing the sensor can restore accurate tem... https://www.partsmelange.ca/whirlpool-wpw10383615-thermistor-sensor-for-refrigerator