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Home >> Buick >> 2012 >> Verano >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 2.4L - Repair Instructions >> Repair Instructions >> Engine Control Module Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: ECM, Bracket & Retainer Clip
    GM2595025Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The retainer clip (3) must engage safely.

  1. Install the ECM (2) to the ECM bracket (1).
  2. Install the ECM bracket (1) along with the ECM (2) to the battery tray.
    3. Fig 2: ECM Wiring Harness Plugs
    GM2595023Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The safety locks on the ECM wiring harness plugs (1) must engage safely.

  3. Connect the ECM wiring harness plugs (1) to the ECM.
  4. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  5. Program the engine control module, if required. Refer to Engine Control Module Programming and Setup (LAF, LEA or LUK) .
  6. Turn OFF the ignition for at least 5 seconds after the programming event is complete.
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