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Home >> Kia >> 2012 >> Optima SX >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Automatic Transaxle Control System - 2.0L) >> Transaxle Control Module (TCM) >> Repair Procedures >> Replacement
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Repair Procedures: Replacement

WARNING: This page is about a different car, the 2013 Kia Sportage and 2012 Kia Sportage. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Disconnect the TCM Connector (A).
    Fig 1: Identifying TCM Connector
    G07425700Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove the air cleaner assembly.

    Refer to "INTAKE AND EXHAUST SYSTEM ".

  4. Remove the mounting bolts (A) and nut (B), and then remove the TCM assembly (C).
    Fig 2: Identifying Mounting Bolts, Nut & TCM Assembly
    G07425701Courtesy of KIA MOTORS AMERICA, INC.
  5. Remove the installation nuts (A) and screw (B), and then remove the TCM (C) from the bracket.
    Fig 3: Identifying Installation Nuts, Screw & TCM
    G07425702Courtesy of KIA MOTORS AMERICA, INC.