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Hyundai Tucson: Smart Key Code Saving

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Body Electrical System / Smart Key System / Smart Key Code Saving

Smart

  1. Connect the DLC cable of diagnostic tool to the data link connector (16 pins) in driver side crash pad lower panel, turn the power on diagnostic tool.

  1. Select the 'S/W Management' and 'Car model'.
  2. Select the 'Smart Key Unit' and 'Smart Key Code Saving'.

Follow the instructions on the screen.

Follow the instructions on the screen.

Components

Components (1)

Integrated Body Control Unit (IBU)

Connector Pin Information

Removal

Removal

Integrated Body Control Unit (IBU)

  1. Disconnect the negative (-) battery terminal.
  2. Remove the heater control unit.

    (Refer to Heating, Ventilation And Air Conditioning - "Heater Control Unit")

  3. Remove the IBU (A) after loosening mounting bolt, nut and screw.

  1. Disconnect IBU connectors and then remove the IBU (A).

Inspection

Inspection

Smart Key Unit

(Refer to Smart Key System - "Smart Key Diagnostic")

Smart Key Switch

(Refer to Smart Key System - "Smart Key Diagnostic")

Smart Key Antenna

Refer to Smart Key System - "Smart Key Diagnostic")

Installation

Integrated Body Control Unit (IBU)

  1. Install the IBU and connect the connector.
  2. Install the heater control unit.
  3. Install the negative (-) battery terminal and check the smart key system.

Removal

    READ NEXT:

     Interior  Antenna

    Interior 1 Antenna Take care not to scratch the crash pad and related parts. Disconnect the negative (-) battery terminal. Remove the ecall unit. (Refer to Emergency Call system - "Emergency Call (eCall) Unit") Remove the inter

     Exterior Bumper Antenna

    Disconnect the negative (-) battery terminal. Lift the vehicle. Disconnect the antenna connector (A) from the rear bumper. Remove the antenna (B) after loosening mounting nuts. Buzzer Disconnect the negative (-) battery terminal.

     Door Outside Handle

    When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. Put on gloves to prevent hand injuries. Remove the door outside handle cover (A) Remove the plug ho

    SEE MORE:

     Inspection (With diagnostic tool)

    In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (diagnostic tool). The diagnostic system (diagnostic tool) provides the following information. (1) Fault Code Searching : Checking failu

     Outside rear view mirror

    Component Location Outside rear view mirror Replacement WARNING When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. Put on gloves to prevent hand injuries

    Information

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