1.Disconnect the negative (-) battery terminal.
2.Remove the heater control unit.(Refer to Heating,Ventilation And Air Conditioning - "Heater Control Unit")
3.Loosen the mounting bolt,nut,screw and remove the Integrated Body Control Unit (A).

4.Disconnect the connectors and remove the Integrated Body Control Unit (A).

1.Install the Integrated Body Control Unit.
2.Install the heater control unit.
3.Connect the negative (-) terminal
Repair procedures
Antenna CoilHyundai Tucson (NX4) 2022-2025 Service Manual: A/C Pressure Transducer
- Description
The A/C Pressure Transducer (APT) converts the pressure value of high
pressure line into voltage value after measuring it. By converted
voltage value, engine ECU controls the cooling fan by operating it high
speed or low speed. Engine ECU stops the operation of the compressor ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Intelligent Speed Limit Assist (ISLA)
Intelligent Speed Limit Assist uses
information of road signs detected from
the front view camera and uses the
navigation system data to inform you of
the speed limit and help maintain within
the speed limit on the road.
WARNING
Intelligent Speed Limit Assist may not
display the co ...