GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Transmission Control Replacement

Removal Procedure

    Note: In case of power loss the brake transmission shift interlock (BTSI) switch must be manually released in order to remove the console trim plate. If no power loss proceed to step 4.

  1. Lift up the console trim plate. Refer to Front Floor Console Trim Plate Replacement.

    2. Note: Wear gloves to protect hands from sharp edges.


    Object Number: 1709099 Size: SH
  2. Remove the BTSI pin cover (1).

    3. Object Number: 1709101 Size: SH
  3. Depress the BTSI switch pin (1) to release the shifter out of park.
  4. Remove the console trim plate. Refer to Front Floor Console Trim Plate Replacement.

    5. Object Number: 1964445 Size: SH
  5. Remove the transmission range selector cable terminal (2) from the shift control pin.
  6. Remove the transmission range selector cable (1) from the shift control base.
  7. Disconnect the electrical wire harness connector from the shift control.

    8. Object Number: 291888 Size: SH
  8. Remove the shift control fasteners.
  9. Spread the console side panels apart and remove the shift control assembly.

Installation Procedure

    Object Number: 291888 Size: SH
  1. Spread the console side panels apart and install the shift control assembly.

    2. Caution: Refer to Fastener Caution in the Preface section.

  2. Install the shifter fasteners.

    3. Tighten
    Tighten the shifter fasteners to 9 N·m (79 lb in).

  3. Connect the shifter assembly electrical wire harness connector.

    4. Object Number: 1964445 Size: SH
  4. Install the transmission range selector cable (1) to the shift control base.
  5. Install the transmission range selector cable terminal (2) to the shift control pin.
  6. Install the console trim plate. Refer to Front Floor Console Trim Plate Replacement.
  7. Adjust the automatic transmission range selector cable. Refer to Range Selector Lever Cable Adjustment.