• 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: Curtain Airbag (CAB) Module
- Description
Curtain airbags are installed inside the headliner (LH and RH) and
protect the the heads of the front seat occupants and the rear outboard
seat occupants from danger when side crash occurs. The SRSCM determines
deployment of curtain airbag by using side impact sensor (SIS) sig ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Anti-lock Brake System (ABS)
warning light. Electronic Brake Force
Distribution (EBD) system
warning light
Anti-lock Brake System (ABS)
warning light
This warning light illuminates:
When the ignition switch is in the
ON position. The ABS warning light
illuminates for about 3 seconds and
then goes off.
Whenever there is a malfunction with
the ABS.
The hydraulic braking system sti ...