GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1530168  Size: SH
  1. Remove the communication interface module. Refer to Communication Interface Module Replacement .
  2. Remove the communication vehicle interface unit. Refer to OnStar Vehicle Interface Unit Replacement .
  3. Unclip the antenna and module harness (1), from the module bracket.
  4. Disconnect the inverter electrical connector (2).

  5. Object Number: 1530173  Size: SH
  6. Remove 3 module bracket mounting bolts.
  7. Remove the module bracket.

Installation Procedure


    Object Number: 1530173  Size: SH
  1. Position the module bracket in the vehicle.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install 3 module bracket mounting bolts.
  4. Tighten
    Tighten the module bracket bolts to 10 N·m (89 lb in).


    Object Number: 1530168  Size: SH
  5. Connect the inverter electrical connector (2).
  6. Clip the antenna and module harness (1), to the module bracket.
  7. Install the communication vehicle interface unit. Refer to OnStar Vehicle Interface Unit Replacement .
  8. Install the communication interface module. Refer to Communication Interface Module Replacement .