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Home >> Genesis >> 2018 >> G80 3.8, RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 3.8L >> Engine Control Module (ECM) >> Repair Procedures >> Removal
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Repair Procedures: Removal

CAUTION:
  • When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure below.

    [In The Case Of Installing Used ECM] 

    1. Perform "ECM Neutral Mode" procedure with GDS.

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

    2. After finishing "ECM Neutral Mode", perform "Key Teaching" procedure with GDS.

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

    [In The Case Of Installing New ECM] 

    perform "Key Teaching" procedure with GDS.

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

CAUTION:
  • When replacing the ECM, the vehicle equipped with the Smart Key System (Button Start) must be performed procedure below.

    [In The Case Of Installing Used ECM] 

    1. Perform "ECM Neutral Mode" procedure with GDS.

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

    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.

    [in The Case Of Installing New ECM] 

    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.

  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Remove the ECM & TCM cover (A).
    G12657577Courtesy of HYUNDAI MOTOR AMERICA
  3. Disconnect the ECM connector (A), and then disconnect the TCM connector (B).
    G12657578Courtesy of HYUNDAI MOTOR AMERICA
  4. Remove the ECM & TCM bracket installation bolts (A) and nut (B).
    G12657579Courtesy of HYUNDAI MOTOR AMERICA
  5. After removing the installation nuts (A), remove the TCM (B) from the bracket.
    G12657580Courtesy of HYUNDAI MOTOR AMERICA
  6. After removing the installation nuts (A), remove the ECM (B) from the bracket.
    G12657581Courtesy of HYUNDAI MOTOR AMERICA
    G12657582Courtesy of HYUNDAI MOTOR AMERICA