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Home >> Chevrolet >> 2011 >> Chevy Express G3500, Van Cargo Extended, 6.6 L >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.6L (LGH) - Repair Instructions >> Repair Instructions >> Engine Control Module Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: ECM And Mounting Bolts
    GM2535261Courtesy of GENERAL MOTORS CORP.
  1. Place the bottom edge of the ECM into the bracket lower retainers.
  2. Push the ECM (4) towards the bracket until the upper edge of the ECM snaps into place.
    3. CAUTION:

    Refer to Fastener Caution .

  3. Install the ECM mounting bolts (1).
  4. Connect the ECM electrical connectors (3).
  5. Install the master cylinder. Refer to Master Cylinder Replacement .
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  7. If a NEW ECM was installed, program the ECM. Refer to Control Module References .
  8. Perform the turbocharger learn procedure. Refer to Turbocharger Learn .
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