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) 2022-2026 Service Manual: Integrated Thermal Management Module (ITM)
- Description
Integrated Thermal Management Module (ITM) is a device that controls
the coolant flow rate according to coolant temperature. At initial
startup, the ITM quickly warms up the engine by controlling the flow of
the coolant and this fast warm-up helps improve the fuel efficiency.W ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Blind-Spot Collision Warning
Malfunction and Limitations
Blind-Spot Collision Warning
malfunction
When the Blind-Spot Collision Warning is
not working properly, the "Check Blind-
Spot Safety system" warning message
may appear, and the
warning light
may illuminate on the instrument
cluster. Have the vehicle inspected by an
authorized HYU ...