DTC P0778-00: Pressure Control Solenoid 'B' Electrical (Primary Pulley): 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 body valve located in oil fan has four indirect operated solenoid valves and a direct operated solenoid valve. The indirect control solenoid valve has damper clutch, line pressure, drive pulley solenoid valve and driven pulley solenoid valve. The direct control solenoid valve is consisted to control the direct clutch.