Installation Procedure
- When replacing the VCIM, record the 11-digit electronic serial number (ESN) and the 10-digit station identification (STID) number from the label on the new VCIM (1).
- Connect the antenna cable and electrical connections to the VCIM (1).
- Slide the VCIM (1) into the electrical component mounting bracket (3).
- Push in on the top of the VCIM (1) until an audible click is heard, indicating the retaining tab (2) has securely fastened the VCIM (1) to the electrical component mounting bracket (3).
- Partially install the electrical component mounting bracket (1) to the vehicle body.
- Attach the GPS antenna cable (1) to the cross car brace.
- Install the electrical component mounting bracket (1) to the studs.
- Install the electrical component mounting bracket nuts (2).
Tighten: Tighten the nuts to 9 N.m (80 lb in).
- Install the rear compartment trim. Refer to Compartment Trim Panel Replacement - Rear in Body Rear End.
- Reconfigure the OnStar® system. Refer to OnStar Reconfiguration .
NOTE:
Refer to Fastener Notice
in Cautions and Notices.
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.