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Home >> Saturn >> 2005 >> Vue Red Line, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.5L (L66) Introduction >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Removal Procedure
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Removal Procedure

    IMPORTANT: It is necessary to record the remaining engine oil life. If the replacement module is not programed with the remaining engine oil life, the engine oil life will default to 100%. If the replacement module is not programmed with the remaining engine oil life, the engine oil will need to be changed at 5000 km (3,000 mi) from the last engine oil change.
  1. Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
  2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  3. Disconnect the wiring harness.
  4. Depress the retaining tab and remove the powertrain control module (PCM).
  5. Remove the PCM from the housing.
    Fig 1: View Of Powertrain Control Module (PCM)
    GM1226486Courtesy of GENERAL MOTORS CORP.
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