• 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: Repair procedures
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the heater control unit.(Refer to Heating, Ventilation And Air Conditioning - "Heater Control Unit")
3.Remove the IBU (A) after loosening mounting bolt, nut and screw.
4.Disconnect IBU connectors and then remove the IBU (A) ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Components and Components Location
- Component Location (1)
1. Integrated body control unit (IBU)2. Interior antenna 23. Door outside handle4. Interior antenna 15. Front antenna6. Buzzer7. Door antenna
- Component Location (2)
1. Liftgate antenna2. Rear bumper antenna3. Liftgate open switch
...