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Home >> Chevrolet >> 2011 >> Caprice >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.0L - Repair Instructions >> Repair Instructions >> Engine Control Module Replacement >> Removal Procedure
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Removal Procedure

    NOTE:

    Record the current engine oil life percentage and use a scan tool to update the NEW ECM, if replacing.

  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 (Primary) , Battery Negative Cable Disconnection and Connection (Auxiliary) .
  3. Remove the junction block. Refer to Underhood Electrical Center or Junction Block Replacement .
    4. Fig 1: Upper Bracket Fasteners
    GM2503364Courtesy of GENERAL MOTORS CORP.
  4. Remove the ECM bracket fasteners (1).
  5. Release the ECM retaining clips (1) and detach the ECM (2).
    6. Fig 2: ECM Bracket Fasteners
    GM2503369Courtesy of GENERAL MOTORS CORP.
  6. Remove the ECM bracket fastener (1) and partially loosen the rear ECM bracket fastener (2).
    7. Fig 3: ECM Electrical Connectors
    GM2503413Courtesy of GENERAL MOTORS CORP.
  7. Move the connector lock levers to the unlock position and disconnect the ECM electrical connectors (1).
    8. Fig 4: Plastic Retaining Tabs And ECM
    GM2503437Courtesy of GENERAL MOTORS CORP.
  8. Release the plastic retaining tabs (1) and remove the ECM (2).
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