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Home >> Hyundai >> 2021 >> Palisade Calligraphy, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> Engine Control Module (ECM) >> Repair Procedures >> Adjustment >> ECM Neutral Mode Procedure (With Smart key) >> If installing a used ECM
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If installing a used ECM

  1. Perform "ECM Neutral Mode" procedure using diagnostic tool.

    (Refer to Body Electrical System - SMART KEY - "NEUTRALIZATION STATUS CHECK ")

  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.

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

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