Installation Procedure
- Connect the antenna cable and electrical connections to the VCIM.
- Install the VCIM into the mounting bracket.
- Install the rear shelf trim. Refer to Trim Panel Replacement - Rear Window Shelf .
- Reconfigure the OnStar® system. Refer to Control Module References for programming and setup information.
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.