Hyundai Tucson: Immobilizer System - Removal
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Body Electrical System / Immobilizer System / Immobilizer System - Removal
Removal
- Disconnect the negative (-) battery terminal.
- Remove the heater control unit.
(Refer to Heating,Ventilation And Air Conditioning - "Heater Control Unit")
- Loosen the mounting bolt,nut,screw and remove the Integrated Body Control Unit (A).

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

Installation
- Install the Integrated Body Control Unit.
- Install the heater control unit.
- Connect the negative (-) terminal
Removal
- Disconnect the negative (-) battery terminal.
- Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
- Disconnect the 6P connector (B) of the coil antenna and then remove the coil antenna (A) after loosening the screw.

Installation
- Install the coil antenna and connect the 6P connector.
- Install the crash pad lower panel.
- Connect the negative (-) battery terminal.
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Disconnect the negative (-) battery terminal.
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(Refer to Body - "Crash Pad Lower Panel&q
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual