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Home >> Hyundai >> 2018 >> Tucson SEL, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.0L >> Engine Control Module (ECM) >> Repair Procedures >> Removal >> [In The Case Of Installing Used ECM]
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[In The Case Of Installing Used ECM]

  1. Perform "ECM Neutral mode" procedure with GDS. Refer to NEUTRALIZING OF ECM

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

  2. After finishing "ECM Neutral mode", perform "Key teaching" procedure with GDS. Refer to TEACHING PROCEDURES

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



  1. Perform "ECM Neutral mode" procedure with GDS. Refer to NEUTRALIZING OF ECM

    (Refer to Body Electrical System - "SMART KEY UNIT DIAGNOSIS or SMART KEY CODE SAVING DIAGNOSIS ")

  2. After finishing "ECM Neutral mode", insert the key (or press the start button) and turn it to the IGN ON and OFF position. Then the ECM learns the smart key information automatically.
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