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Home › Cadillac › 2010 › STS 3.6 V, AWD › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 3.6L - Repair Instructions › Repair Instructions › Engine Control Module Replacement › Installation Procedure

Installation Procedure

    Fig 1: ECM Bracket
    GM1958236Courtesy of GENERAL MOTORS CORP.
  1. If replacing the ECM bracket perform the following steps, other wise proceed to step 4.
  2. Slide down and install the ECM bracket (1).
    3. Fig 2: Locking Tabs On ECM Bracket
    GM1958196Courtesy of GENERAL MOTORS CORP.
  3. Ensure that the ECM bracket engages the locking tabs (1).
    4. Fig 3: Tabs, Retainers & ECM
    GM1958194Courtesy of GENERAL MOTORS CORP.
  4. Slide the ECM (1) into the ECM bracket, ensure that the ECM engages the bracket retainers (2).
    5. Fig 4: Engine Wiring Harness Electrical Connectors & ECM
    GM1958191Courtesy of GENERAL MOTORS CORP.
    CAUTION: In order to prevent any possible electrostatic discharge damage to the ECM, do not touch the connector pins.
  5. Connect and lock the engine wiring harness electrical connectors (1) to the ECM (2).
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LHD With Top Post) or Battery Negative Cable Disconnection and Connection (Side Post) .
  7. Program the ECM, if required. Refer to Control Module References .
  8. Turn OFF the ignition for a least 5 seconds after the programming event is complete.
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