
1. Front - right (FR)
2. Rear - left (RL)
3. Rear - right (RR)
4. Front - left (FL)
5. MC2
6. MC1
7. ESC Control unit (HECU) connector
8. Bracket
1.Disconnect the battery negative ( - ) terminal.
2.Pull up the lock of the ESC control unit (HECU) connector and then disconnect the connector (A).

3.Separate the brake tube by removing the flare nuts (A), (B) connected to the ESC control unit (HECU).
Tightening torque :(A) : 13.7 - 16.7 N·m (1.4 - 1.7 kgf·m, 10.1 - 12.3 lb·ft)(B) : 18.6 - 22.6 N·m (1.9 - 2.3 kgf·m, 13.7 - 16.6 lb·ft)


4.Remove the bracket mounting nuts and remove the ESC control unit (HECU) (A) from the vehicle.
Tightening torque :16.7 - 25.5 N·m (1.7 - 2.6 kgf·m, 12.3 - 18.8 lb·ft)

5.Remove the bolts to remove the bracket (B) from the ESC control unit (HECU) (A).

1.Install in the reverse order of removal.
2.After installation, bleed the brake system. (Refer to Brake System - "Brake Bleeding Procedures")
3.Conduct the Variant Coding.
4.Conduct the Auto Detected Sensor Calibration.
5.Conduct the Longitudinal G Sensor Calibration.
6.After replacing the ESC control unit execute the "Assembly Check (ECU replacement)" of the additional function to check that the mounting is successful.
1.Connect self-diagnosis connector (16pins) located under the driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.
2.Select the "vehicle model" and "ABS/ESC" on diagnostic tool vehicle selection screen, then select OK.





Schematic Diagrams
ESC OFF SwitchHyundai Tucson (NX4) 2022-2026 Owner's Manual: Rear Cross-Traffic Collision-
Avoidance Assist Operation
Rear Cross-Traffic Collision-Avoidance
Assist may warn and control your vehicle
depending on the collision risk level.
Collision Warning
To warn you of an approaching vehicle
from the rear left or right of your vehicle,
the warning light on the side view mirror
may blink, a warning mes ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Vehicle Load Limit. The Loading Information Label. Certification label
Two labels on your driver’s door sill show
how much weight your vehicle was
designed to carry: the Tire and Loading
Information Label and the Certification
Label.
Before loading your vehicle, familiarize
yourself with the following terms for
determining your vehicle’s weight
ratin ...