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Home >> Hyundai >> 2021 >> Sonata SE >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.5L (Except HEV) >> Engine Control Module (ECM) >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Perform the oil pressure characteristics backup procedure using the diagnostic tool when replacing with a new TCM.
    G14629130Courtesy of HYUNDAI MOTOR AMERICA
  2. Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
  3. Disconnect the ECM connector (A).
    G14629131Courtesy of HYUNDAI MOTOR AMERICA
  4. Remove the ECM (A) after pulling the clip.
    G14629132Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the ECM from the bracket after loosening the mounting bolt (A).

    Tightening Torque: 

    6.9 - 8.8 N.m (0.7 - 0.9 kgf.m, 5.1 - 6.5 lb-ft)

G14629133Courtesy of HYUNDAI MOTOR AMERICA