lemon-mirror:
Home >> Pontiac >> 2006 >> GTO Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.0L - Introduction (2 Of 2) >> Repair Instructions >> Engine Control Module (ECM) Replacement >> Removal Procedure

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 negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
    3. Fig 1: View Of Engine Control Module (ECM)
    GM1553552Courtesy of GENERAL MOTORS CORP.
  3. Remove the connector protection assurance (CPA) locks on each ECM electrical connector, then move the connector lock levers to the unlock position.
  4. Disconnect the ECM electrical connectors.
    5. Fig 2: Removing/Installing ECM To/From The Mounting Bracket
    GM1553550Courtesy of GENERAL MOTORS CORP.
  5. Remove the two screws (1) securing the ECM to the mounting bracket
  6. Remove the ECM.
· About lemon-mirror