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Home › Saturn › 2008 › Astra XR, 2D Hatchback, Automatic › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transmission › Repair Instructions - On Vehicle › Transmission Control Module Replacement › Installation Procedure

Installation Procedure

    Fig 1: View Of TCM And Cable Tie
    GM1939050Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Note guides for positioning the control unit on the bracket.
  1. Attach TCM (1) to the bracket.

    Replace the cable ties (arrow).

    2. Fig 2: Identifying Wiring Harness Plug
    GM1939022Courtesy of GENERAL MOTORS CORP.
  2. Attach the wiring harness plug (1) to the bracket.

    Lock (arrow) must engage.

  3. Attach the wiring harness plug (4) to the TCM.

    Connect and lock the wiring harness plug.

  4. Connect the wiring harness plug (3).
  5. Attach the cable tie (2) to the bracket.
  6. Attach the cable tie (1).
    7. Fig 3: Identifying Vent Duct
    GM1939017Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Check for proper seating.
  7. Install the vent duct (1).
  8. Install the center console. Refer to Front Floor Console Replacement .
  9. If a replacement TCM was installed, program the module. Refer to Control Module References .
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