2004 Pontiac Sunfire StandardFACTORY OEM SERVICE PROCEDURE

Installation Procedure

  1. Install the OnStar® module (2) thorough the opening for the passenger inflator module.
  2. Pull downward on the back of the I/P compartment to install the module to the bracket (3).
  3. Slide the unit upward in the mounting bracket.
    Fig 1: Installing OnStar® Module
    GM863408Courtesy of GENERAL MOTORS CORP.
  4. Connect the electrical connectors (3) to the module (1).
  5. Connect the coaxial cable connectors (4) to the module (1).
    Fig 2: Connecting Communication Interface Module Electrical Connectors
    GM865098Courtesy of GENERAL MOTORS CORP.
  6. Reposition the module (2) in the bracket.
  7. Install the module bracket strap (7) to the mounting bracket (3).
    8. NOTE: Refer to Fastener Notice in Cautions and Notices.
  8. Install the bolt (1) for the module bracket strap (7).

    Tighten:  Tighten the bolt to 4 N.m (35 lb in).

  9. Install the I/P carrier bolts on the passenger side.

    Tighten:  Tighten the bolt to 2.3 N.m (20 lb in).

    Fig 3: Installing Module Bracket Strap Bolt
    GM863408Courtesy of GENERAL MOTORS CORP.
  10. Install the passenger inflatable restraint module. Refer to Inflatable Restraint Instrument Panel Module Replacement in SIR.
  11. Enable the SIR. Refer to SIR Disabling and Enabling Zone 5 in SIR.
    12. IMPORTANT: After replacing the vehicle communication interface module, you must configure the OnStar® system. Failure to configure the system will result in an additional customer visit for repair. In addition, pressing and holding the white dot button on the keypad will NOT reset this version of the OnStar® system. This action will cause a DTC to set.
  12. Configure the OnStar® system. Refer to OnStar Reconfiguration .
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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