DTC P1834: Actuator Thermal Overstress Shutdown: 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 4WD ECU determines a target torque based on a vehicle driving condition and controls a motor pump in order to generate an oil pressure adjusted to the target torque.