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Home >> Cadillac >> 2009 >> XLR Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls And Fuel - 4.6L (LH2) - Introduction, Specifications & Repair Instructions >> Repair Instructions >> Engine Control Module Replacement >> Removal Procedure
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Removal Procedure

  1. Using a scan tool, retrieve the percentage of remaining engine oil and the remaining automatic transmission fluid life. Record the remaining engine oil and the remaining automatic transmission fluid life.
  2. Remove the right front wheelhouse filler panel. Refer to Front Wheelhouse Rear Liner Replacement .
    3. Fig 1: Identifying ECM Electrical Harness Connectors
    GM931728Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the ECM electrical harness connectors (2).
    4. Fig 2: Identifying ECM Components
    GM931704Courtesy of GENERAL MOTORS CORP.
  4. Remove the fasteners (2) from the ECM (3).
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