LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2011 >> STS 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
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

    Fig 1: View Of ECM Bracket
    GM1958236Courtesy of GENERAL MOTORS COMPANY
  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: Identifying Locking Tabs
    GM1958196Courtesy of GENERAL MOTORS COMPANY
  3. Ensure that the ECM bracket engages the locking tabs (1).
    4. Fig 3: View Of Tabs, Retainers & ECM
    GM1958194Courtesy of GENERAL MOTORS COMPANY
  4. Slide the ECM (1) into the ECM bracket, ensure that the ECM engages the bracket retainers (2).
    5. Fig 4: Identifying Engine Wiring Harness Electrical Connectors & ECM
    GM1958191Courtesy of GENERAL MOTORS COMPANY
    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 (With Side Post) , Battery Negative Cable Disconnection and Connection (With Top 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.
scientia non olet · About LEMON Manuals