LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2008 >> HHR LS, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 2.2L (L61) - Introduction (2 Of 2) >> Repair Instructions >> Engine Control Module Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

    Fig 1: View Of ECM Retaining Tab
    GM1833662Courtesy of GENERAL MOTORS CORP.
    NOTE: Control module damage may result when the metal case contacts battery voltage. DO NOT contact the control module metal case with battery voltage when servicing a control module, using battery booster cables or when charging the vehicles battery.
  1. Install the ECM, securing the ECM to the underhood junction block bracket retaining tab (1).
    2. Fig 2: View Of Engine Wiring Harness Electrical Connector
    GM1833663Courtesy of GENERAL MOTORS CORP.
  2. Connect the engine wiring harness electrical connector (1) to the ECM.
    3. Fig 3: View Of ECM Retaining Tab
    GM1833662Courtesy of GENERAL MOTORS CORP.
  3. Connect the body wiring harness electrical connector (1) to the ECM.
    4. Fig 4: Locating ECM/TCM Cover
    GM1631889Courtesy of GENERAL MOTORS CORP.
  4. Install the ECM/TCM cover.
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  6. Program the ECM. Refer to Control Module References .
scientia non olet · About LEMON Manuals