GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Rainier 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Electronic Throttle Actuator Control Module Replacement

Removal Procedure

    Notice: Refer to Handling Electrostatic Discharge Sensitive Parts Notice in the Preface section.


    Object Number: 899718 Size: SH
  1. Remove the bulk connector from the bracket, insert a small flat-bladed tool to disengage the clip.
  2. Disconnect the instrument panel (I/P) harness electrical connector.

    3. Object Number: 899719 Size: SH
  3. Disconnect the engine harness electrical connector.

    4. Object Number: 899720 Size: SH
  4. Release the retaining tab on the side of the throttle actuator control (TAC) module (3).
  5. Remove the TAC module (3) from the retaining bracket (1).
  6. If necessary, remove the TAC module bracket nuts (2) and bracket (1).

Installation Procedure

    Notice: Refer to Handling Electrostatic Discharge Sensitive Parts Notice in the Preface section.

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 899720 Size: SH
  1. If necessary, install the TAC module bracket (1) and nuts (2).

    2. Tighten
    Tighten the nuts to 9 N·m (80 lb in).

  2. Install the TAC module (3) to the retaining bracket (1).
  3. Snap the TAC module (3) into retaining tab.

    4. Object Number: 899719 Size: SH
  4. Connect the engine harness electrical connector.

    5. Object Number: 899718 Size: SH
  5. Connect the I/P harness electrical connector.
  6. Install the bulk connector to the bracket.