GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.

  1. Disconnect the negative battery cable.

  2. Object Number: 1245836  Size: SH
  3. Locate the transmission control module (TCM) electrical connector next to the brake pedal assembly.
  4. Disconnect the transmission control module (TCM) electrical connector.

  5. Object Number: 1245837  Size: SH
  6. Remove the TCM retaining bolts.
  7. Remove the TCM.

Installation Procedure


    Object Number: 1245837  Size: SH
  1. Connect the negative battery cable.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the TCM and retaining bolts.
  4. Tighten
    Tighten the TCM retaining bolts to 5 N·m (44 lb in).


    Object Number: 1245836  Size: SH
  5. Connect the TCM electrical connector.
  6. Connect the negative battery cable.