WARNING: This page is about a different car, the 2005 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing/Installing Communication Interface Module

Courtesy of GENERAL MOTORS CORP.

Install the communication interface module.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the communication interface module bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
Connect the communication interface module wire harness and antenna connectors.
Install the right closeout panel. Refer to Closeout/Insulator Panel Replacement - Right in Instrument Panel, Gages and Console.

IMPORTANT: After replacing the communication interface module, you must reconfigure the OnStar system. Failure to reconfigure the system will result in an additional customer visit or repair. In addition, pressing and holding the white dot button on the keypad will NOT reset the OnStar system. This action will cause a DTC to set.

Reconfigure the OnStar system. Refer to OnStar Reconfiguration (Gen 5) or OnStar Reconfiguration (Gen 6.1) .

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.

Safety Warning

Installation Procedure

Use the Manual With the Right Hardware

When to See a Mechanic

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