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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Control System & Fuel - Hybrid (Hp2) 6.0L (LFA) - Introduction) >> Repair Instructions >> Engine Control Module Replacement >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Engine Wiring Harness Electrical Connector & ECM
    GM1960211Courtesy of GENERAL MOTORS CORP.
  1. Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  3. Disengage the engine wiring harness electrical connector retainers and remove the connectors (2) from the ECM (1).
    4. Fig 2: View Of Bracket Retainer Tabs, ECM Bracket & Tab
    GM1960213Courtesy of GENERAL MOTORS CORP.
  4. Disengage the bracket retainer tabs (1) securing the ECM to the bracket.
  5. Remove the ECM (3) from the bracket.
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