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Home >> Pontiac >> 2008 >> G8 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - Introduction (2 Of 2) >> Repair Instructions >> Engine Control Module Replacement >> Removal Procedure
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Removal Procedure

    NOTE: Always turn the ignition off when installing or removing the ECM connectors in order to prevent damage to the components.
    CAUTION: Refer to Safety Glasses Caution .
  1. Turn the ignition OFF.
  2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  3. Remove the radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement .
    4. Fig 1: Identifying ECM Electrical Connectors & Connector Lock Levers
    GM1994665Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Disconnect the rear electrical connector from the ECM first.
  4. Unlock the ECM electrical connector lock levers (1) and disconnect the ECM electrical connectors (2).
    5. Fig 2: Identifying ECM Retaining Clips
    GM1949890Courtesy of GENERAL MOTORS CORP.
  5. Remove the ECM (2) from the ECM housing by pushing both ECM retaining clips (1) outwards.
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