• 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) 2022-2025 Service Manual: Description and Operation
- Description
The charging system includes a battery, an alternator with a built-in
regulator, and the charging indicator light and wire.The Alternator has
eight built-in diodes, each rectifying AC current to DC
current.Therefore, DC current appears at alternator "B" terminal.In
addition, ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Forward Collision-Avoidance
Assist Malfunction and
Limitations
Forward Collision-Avoidance Assist
malfunction
When Forward Collision-Avoidance
Assist is not working properly, the
"Check Forward Safety system" warning
message may appear, and the
and
warning lights may illuminate on
the instrument cluster. Have the vehicle
inspected by an aut ...