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: Automatic Transaxle
- Removal
• Be careful not to damage the parts located under the vehicle
(floor under cover, fuel filter, fuel tank and canister) when raising
the vehicle using the lift.(Refer to General Information - "Lift and
Support Points")
1.Turn ignition switch OFF and disconn ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Components and Components Location
- Component Location
1. Start Stop Button(SSB)2. FOB Key3. Liftgate open button4. Interior antenna 15. Interior antenna 26. Intergrated Body Control Unit (IBU)7. Liftgate antenna8. Door handle & door antenna9. Front bumper antenna10. Rear Bumper antenna11. Door antenna
...