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Home >> Hyundai >> 2019 >> Santa Fe SE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Engine Control System - 2.0L) >> Engine Control Module (ECM) >> Repair Procedures >> Adjustment >> ECM Neutral Mode Procedure >> If Installing A Used ECM

If Installing A Used ECM

WARNING: This page is about a different car, the 2020 Hyundai Santa Fe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform "ECM NEUTRAL MODE" procedure using GDS.

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

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

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



  1. Perform "ECM NEUTRAL MODE" procedure using GDS.

    (Refer to Body Electrical System - "SMART KEY ")

  2. After finishing "ECM Neutral Mode", turn IGN ON then OFF using the smart key or start button. Then the ECM learns information on the smart key automatically.
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