GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2003 🢒 H2 🢒 Body and Accessories 🢒 Seats 🢒 Memory Seat Control Module Replacement

Removal Procedure
  1. Remove the seat trim panel. Refer to Front Seat Trim Panel Replacement .
  2. Remove the seat cushion. Refer to Front Seat Cushion Frame Replacement .

    3. Object Number: 378544 Size: SH
  3. Disconnect the harness connectors (2).
  4. Remove the memory module retaining screws (1).

    5. Object Number: 381489 Size: SH
  5. Slide the module out.
  6. Remove the module from the vehicle.

Installation Procedure

    Object Number: 381489 Size: SH
  1. Slide the module in until seated.

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


    Object Number: 378544 Size: SH
  2. Install the memory module retaining screws (1).

    3. Tighten
    Tighten the screws to 3 N·m (26 lb in).

  3. Connect the harness connectors (2).
  4. Install the seat cushion. Refer to Front Seat Cushion Frame Replacement .
  5. Install the seat trim panel. Refer to Front Seat Trim Panel Replacement .
  6. If a new memory seat module is installed, the seat needs to be synchronized:
    7. 6.1. Operate the seat in all directions:
       • Front tilt
       • Rear tilt
       • Horizontal
       • Recline
    6.2. If the seat stops part way due to programmed soft stop, release the switch and operate again in the same direction till the seat touches the mechanical stop
    6.3. Repeat the above for all seat moving axes.