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Home >> Cadillac >> 2007 >> CTS V >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 6.0L - Introduction (2 Of 2) >> 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. Turn OFF the ignition.
  3. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
    4. Fig 1: View Of Front Air Deflector And Push Pin retainers
    GM699902Courtesy of GENERAL MOTORS CORP.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Remove the front air deflector. Refer to Front Air Deflector Replacement .
    6. Fig 2: View Of Bolt At Powertrain Control Module (PCM) Housing Cover
    GM1412206Courtesy of GENERAL MOTORS CORP.
  6. Remove the bolt (1) from the powertrain control module (PCM) housing cover.
  7. Push the cover outboard to release the locking tab.
  8. Swing the cover open and remove the cover from the vehicle.
    9. Fig 3: Locating Powertrain Control Module (PCM)
    GM1412209Courtesy of GENERAL MOTORS CORP.
  9. Remove the PCM from the housing.
  10. Loosen the screws (1) at the PCM electrical connectors.
  11. Disconnect the PCM electrical connectors.
  12. Remove the PCM from the vehicle.
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