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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls - 2.4L - Introduction (2 Of 2)) >> Repair Instructions >> Engine Control Module (ECM) Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying ECM
    GM1651051Courtesy of GENERAL MOTORS CORP.
    NOTE: Control module damage may result when the metal case contacts battery voltage. DO NOT contact the control module metal case with battery voltage when servicing a control module, using battery booster cables or when charging the vehicles battery.
  1. Install the ECM to the bracket until the ECM snaps into place.
    2. Fig 2: Identifying Engine Harness Electrical Connectors
    GM1651050Courtesy of GENERAL MOTORS CORP.
  2. Connect the engine harness electrical connectors (2) to the ECM.
  3. Connect the body wiring harness electrical connector (3) to the ECM.
    4. Fig 3: Installing ECM Cover
    GM1656931Courtesy of GENERAL MOTORS CORP.
  4. Install the ECM cover.
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure .
  6. Program the ECM. Refer to Control Module References .
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