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Home >> Hyundai >> 2012 >> Sonata GLS, Automatic Trans >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System - 2.4L (Except HEV) >> Transaxle Control Module (TCM) >> Repair Procedures >> Replacement
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Repair Procedures: Replacement

NOTE: In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching" procedure together (Refer to "IMMOBILIZER " or "BUTTON ENGINE START SYSTEM " ).
  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Remove the air cleaner assembly (Refer to "INTAKE AND EXHAUST SYSTEM " ).
  3. Remove the TCM connector (A) after removing the TCM (B).

    TCM installation bolt: 

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

    Fig 1: Identifying TCM Connector And TCM
    G07358827Courtesy of HYUNDAI MOTOR CO.