DTC B2409-77: Direction Control Motor - Driver: General Description
WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
The mode control actuator is located on the Heating, Ventilation and Air Conditioning (HVAC) unit. It adjusts position of mode door by operating mode control actuator based on signal from A/C control module. Pressing mode select switch makes the mode control actuator shift.