• The hydraulic system consists of a valve body, an oil filter and an oil pump.
• The oil pump is powered by the engine. ATF passes through the oil filter and gets distributed along the oil channels.
• The oil becomes highly pressurized as it exits the oil pump and passes through the line pressure valve before being fed to the clutch & brake control valve, clutch, and brakes.
• TCM controls the hydraulic pressure using solenoid valves and controls clutch and brake operations.

Hydraulic System
Electronic Oil Pump (EOP)Hyundai Tucson (NX4) 2022-2026 Service Manual: 28 Brake Control Solenoid Valve (28/B_VFS)
- Description
• 28 Brake control solenoid valve is a Variable Force Solenoid (VFS) type.
• When TCM supplies variable current to solenoid valve, hydraulic
pressure of 28 brake is controlled directly by solenoid valve.
- Components Location
1. 28 Brake control solenoid valve (2 ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Description and Operation
- Description
• PDW consists of 8 sensors (front : 4 units, rear : 4 units) that
are used to detect obstacles and transmit the result in three separate
warning levels, the first, second and third to IBU via LIN
communication.
• IBU decides the alarm level by the transmitted communic ...