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Home >> Hyundai >> 2021 >> Sonata Hybrid Limited >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System (HEV) >> Transaxle Control Module (TCM) >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Shut off the high voltage circuit. (Refer to HIGH VOLTAGE SHUT-OFF PROCEDURES )
  2. Remove the under cover. (Refer to Engine Mechanical System - "ENGINE ROOM UNDER COVER ")
  3. Drain the engine coolant. (Refer to Engine Mechanical System - "COOLANT ")
  4. Drain the coolant of hybrid motor cooling system.
  5. Disconnect the TCM connector (A).
    G15460638Courtesy of HYUNDAI MOTOR AMERICA
  6. Loosen the bolt and then removing the TCM (A)

    Tightening torque: 

    9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

    G15460639Courtesy of HYUNDAI MOTOR AMERICA