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[If installing a used ECM]

WARNING: This page is about a different car, the 2023 Hyundai Palisade. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform "ECM Neutral Mode" procedure using diagnostic tool.

    (Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")

  2. After finishing "ECM Neutral Mode", perform "KEY TEACHING " procedure using diagnostic tool.

    (Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")

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