• 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 Owner's Manual: Tilt/Telescopic Steering
Adjust the steering wheel toward your
chest, not toward your face. Make sure
you can see the instrument cluster
warning lights and gauges. After
adjusting, push the steering wheel up
and down to be in the locked position.
WARNING
Never adjust the steering wheel while
driving. This may ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Inspection
- Inspection
Liftgate normal operation transmit / receive process
• FOB key Switch : FOB key Switch → BMC / SMK → CAN communication → PTG Module
• Driver Switch : Driver Switch → Wiring → PTG Module
• Outer Switch : Outer Switch → Wiring → SJB → CA ...