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Home >> Chevrolet >> 2009 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.6L LMM - Introduction >> Repair Instructions >> Engine Control Module Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Identifying ECM Upper Retaining Tabs
    GM1655954Courtesy of GENERAL MOTORS CORP.
  1. Place the bottom edge of the ECM into the bracket lower retainers.
  2. Install the washer solvent container. Refer to Windshield Washer Solvent Container Replacement .
  3. Push the ECM towards the bracket until the upper edge of the ECM snaps into place.
    4. Fig 2: Identifying ECM Electrical Connector
    GM1655955Courtesy of GENERAL MOTORS CORP.
  4. Connect the ECM electrical connectors.
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  6. If a NEW ECM was installed, program the ECM. Refer to Control Module References .
  7. Perform the turbocharger learn procedure. Refer to Turbocharger Learn .
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