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Home >> Chevrolet >> 2014 >> Traverse LS, 4D Utility >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.6L (LLT) - Repair Instructions >> Repair Instructions >> Engine Control Module Replacement >> Installation Procedure

Installation Procedure

  1. If necessary, position the ECM bracket and install the bolts (1).
    Fig 1: View Of ECM Bracket & Bolts
    GM1857965Courtesy of GENERAL MOTORS COMPANY
    CAUTION: Refer to Fastener Caution .

    Tighten 

    Tighten the bolts to 6 N.m (53 lb in).

  2. Install the ECM onto the ECM bracket support tabs and snap the ECM into place under the retaining tab (1).
    Fig 2: Identifying ECM Retaining Tab
    GM1857963Courtesy of GENERAL MOTORS COMPANY
  3. Connect the engine wiring harness upper electrical connector (1) to the ECM.
    Fig 3: View Of Engine Wiring Harness Clip & ECM Upper Electrical Connector
    GM1857961Courtesy of GENERAL MOTORS COMPANY
  4. If the ECM bracket was also replaced, install the engine wiring harness clip (2) to the ECM bracket tab.
  5. Connect the engine wiring harness middle and lower electrical connectors (1) to the ECM.
    Fig 4: Identifying ECM Middle & Lower Electrical Connectors
    GM1857962Courtesy of GENERAL MOTORS COMPANY
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  7. If a NEW ECM was installed, reprogram the ECM. Refer to K20 Engine Control Module: Programming and Setup .
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