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Home >> Kia >> 2014 >> Optima LX >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle Control System - 2.4L - Optima (Except HEV) >> Transaxle Control Module (TCM) >> Repair Procedures >> Installation
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Repair Procedures: Installation

  1. Installation is reverse of removal.
    NOTE: In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching" procedure together. Refer to TEACHING PROCEDURES .
    1. Perform Transaxle Control Module (TCM) learning after replacing the valve body to prevent slow transaxle response, jerky acceleration and jerky startup. (Refer to TCM Learning .
    2. After replacing the ECM of the vehicle with the immobilizer, the following procedure must be performed.

      [If installing a used ECM] 

      1. Perform "ECM Neutral Mode" procedure using GDS. (Refer to REPAIR PROCEDURES .
      2. After finishing "ECM Neutral Mode", perform "Key Teaching" procedure using GDS. (Refer to NEUTRALIZING OF ECM .
      3. [If installing a new ECM] 

    3. After replacing the ECM of the vehicle with the smart key system (button start), the following procedure must be performed.
    4. [If installing a used ECM] 

    1. Perform "ECM Neutral Mode" procedure using GDS. (Refer to REPAIR PROCEDURES .
    2. After finishing "ECM Neutral Mode", turn IGN ON then OFF using the smart key or start button. Then the ECM learns information on the smart key automatically.
    3. [If installing a new ECM] 


    Turn IGN ON then OFF using the smart key or start button. Then the ECM learns information on the smart key automatically.