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Home >> Kia >> 2009 >> Optima EX, 2.4 8 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.4L >> Powertrain Control Module (Pcm) >> Replacement
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Powertrain Control Module (Pcm): Replacement

  1. Turn ignition switch off.
  2. Disconnect the battery (-) cable from the battery.
  3. Remove the PCM cover and disconnect the PCM connector(s) (A).
    Fig 1: Identifying PCM Cover And PCM Connector
    G06361925Courtesy of KIA MOTORS AMERICA, INC.
  4. Unscrew the PCM mounting bolts (B) and remove the PCM (C) from the air cleaner assembly.
    Fig 2: Identifying PCM Mounting Bolts And PCM
    G06361926Courtesy of KIA MOTORS AMERICA, INC.
  5. Install a new PCM.

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