DTC B1234-13: Incar Temp Sensor Open (High) - Front: General Description
WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
In-car temperature sensor is integrated in the A/C control module. It senses the temperature inside car. In-car temperature sensor is a Negative Temperature Coefficient (NTC) type thermistor, the resistance value changes in accordance with temperature change. When in "auto" mode, A/C control module controls passenger compartment temperature by using signal from in-car temperature sensor and driver's temperature setting.