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Home >> Pontiac >> 2006 >> G6 GTP, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.9L - Introduction (2 Of 2) >> Repair Instructions >> Engine Control Module (ECM) Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Removing/Installing ECM
    GM1578456Courtesy of GENERAL MOTORS CORP.
  1. Slide the ECM into the ECM bracket on the front of the battery box.
  2. Push down on the ECM until the retaining tab snaps into place.
    3. Fig 2: View Of ECM Connectors
    GM1583655Courtesy of GENERAL MOTORS CORP.
  3. Connect the engine harness electrical connectors to the ECM.
  4. Slide the lever locks downward to secure the connectors.
    5. Fig 3: View Of ECM
    GM1583653Courtesy of GENERAL MOTORS CORP.
  5. Connect the body harness electrical connectors to the ECM.
  6. Slide the lever lock downward to secure the connector.
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure .
  8. If a NEW ECM was installed, the ECM must be programmed. Refer to Control Module References .
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