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Home >> Chevrolet >> 2006 >> Chevy Express G2500, Van Cargo Extended, 6.6 2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 6.6L (LLY) - Introduction (2 Of 2) >> Repair Instructions >> Engine Control Module (ECM) Replacement >> Installation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Installation Procedure

    Fig 1: ECM Upper Retaining Tabs
    GM1655954Courtesy of GENERAL MOTORS CORP.
  1. Place the bottom edge of the ECM into the bracket lower retainers.
  2. Push the ECM towards the bracket until the upper edge of the ECM snaps into place.
    3. Fig 2: ECM Electrical Connector
    GM1655955Courtesy of GENERAL MOTORS CORP.
  3. Connect the ECM electrical connectors.
    4. Fig 3: Washer Solvent Pump Connector
    GM1655946Courtesy of GENERAL MOTORS CORP.
  4. Slide the washer solvent container tabs into the holes in the bottom of the frame.
    5. Fig 4: Washer Solvent Container
    GM1655951Courtesy of GENERAL MOTORS CORP.
  5. Connect the washer pump connectors.
    6. Fig 5: Washer Solvent Container Bolt
    GM1655949Courtesy of GENERAL MOTORS CORP.
  6. Install the washer solvent container bolt.
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure .
  8. If a NEW ECM was installed, program the ECM. Refer to Control Module References .
  9. Perform the turbocharger learn procedure. Refer to Turbocharger Learn Procedure .
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