Installation Procedure

When replacing a VCIM, record the 11-digit electronic serial number (ESN) and the 10-digit station identification (STID) number from the label on the new VCIM.
Connect the electrical connectors to the module.
Connect the cell antenna coaxial cable to the VCIM.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the screws that secure the bracket to the instrument panel brace.

Fig 1: Locating VCIM Bracket To Instrument Panel Metal Brace Screws
Courtesy of GENERAL MOTORS CORP.

Tighten: Tighten the screws to 10 N.m (89 lb in).
Install the I/P compartment. Refer to Compartment Replacement - Instrument Panel (I/P) in Instrument Panel, Gages and Console.
Install the right insulator panel. Refer to Closeout/Insulator Panel Replacement - Right in Instrument Panel, Gages and Console.
IMPORTANT: After replacing the vehicle communication interface module, you must reconfigure the OnStar® system. Failure to reconfigure 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.
Reconfigure the OnStar® system. Refer to OnStar Reconfiguration .