DTC C2402-01: Motor Electrical: General Description
WARNING: This page is about a different car, the 2021 Kia Soul. However, it is still accessible from the selected car via links, so may be relevant.
The ESC supplies battery power to the electric motor by way of a motor relay which is controlled by the Electronic Control Unit (ECU). The electric motor pump supplies hydraulic pressure to all wheel brake calipers by operating the piston inside the pump.