Key Programming for a 2019 Hyundai Tucson Using the Autel MaxiIM IM508S

The Autel IM508S is an advanced key programming tool suited for tasks such as key generation, backup, and repair of anti-theft data. Here, we’ll walk through the process of programming a new key for a 2019 Hyundai Tucson after all original keys are lost, focusing on reading the password and learning the new key.


Ensure you have all necessary tools and the vehicle is securely positioned. The IM508S communicates through the OBD2 main cable connected to the vehicle.

Step 1: Reading the Immobilizer Password

  1. Initiate Communication:
    • Turn the ignition on and start the vehicle.
    • Access the IMMO function on the IM508S.
    • Select ‘Hyundai’ as the car brand and click on ‘Auto Select’.
    • Confirm the vehicle identification number.
    • Choose ‘USA’, then confirm with ‘Yes’.
    • Select ‘Smart key’, then ‘Hot function’, and finally ‘Read immobilizer password’.
    • This is applicable only for models with an 8A chip smart card.
  2. Process Execution:
    • Click ‘Yes’ to proceed.
    • Turn on the hazard warning lights.
    • Turn the ignition off.
    • Open and close the driver’s door once.
    • Allow the IM508S to read the password. This might take some time, so patience is required.

Step 2: Learning the Smart Key

  1. Start the Learning Process:
    • Click on ‘Smart Key Learning (Guide)’ and then ‘Start’.
    • This function supports adding new keys or replacing all lost keys. Note: All old keys will be cleared from the system and must be relearned.
  2. Key Programming:
    • Confirm by pressing ‘Yes’ to continue.
    • Turn the ignition off (ensure the instrument screen is off).
    • Open and close the driver’s door once.
    • Enter the 6-digit security password obtained from the first step.
  3. Activating the Key:
    • Click ‘OK’ to proceed.
    • Within 5 seconds after pressing ‘OK’, use the back or top of the smart key to press and hold the START button for 5 seconds until the anti-theft light flashes.
    • If the operation fails, remove the key case and retry the activation steps to ensure the key chip is programmed correctly.
  4. Finalizing Programming:
    • Press ‘Yes’ to program additional keys or ‘No’ to finish.
    • Exit the system back to the vehicle selection menu to confirm successful programming.
  5. Testing:
    • Test the new keys to ensure everything functions correctly.

This guide provides detailed steps for using the Autel IM508S to handle a lost key situation for a 2019 Hyundai Tucson. By carefully following each step, you can ensure the vehicle is properly set up with new keys.

More information about Hyundai, Please refer to Hyundai Trouble Repair.

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