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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1471 (Engine Controls And Fuel - 2.4L - Introduction) >> Repair Instructions >> Engine Control Module Replacement >> Removal Procedure
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Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifing ECM Bracket & Air Cleaner Assembly Cover
    GM1888714Courtesy of GENERAL MOTORS CORP.
  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. Release the electronic control module (ECM) bracket (1) from the battery cover (2).
    3. Fig 2: Identifying Engine Wiring Harness Electrical Connectors
    GM1888715Courtesy of GENERAL MOTORS CORP.
  3. Release the retaining tabs on the ECM bracket and slide the ECM out of it.
  4. Disconnect the engine wiring harness electrical connectors (1) from the ECM (5).
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