Cellular Communication

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

The fallowing data definitions pertain to OnStar® scan tool data.

8-Digit GM Part Number: This displays the part number for the vehicle communication interface mode (VCIM).
Component Serial Number 13-16: This is the third partition of the serial number.
Date: This is the date as synchronized with global positioning system (GPS) satellites.
Electronic Serial Number: This is the electronic serial number stored in the VCIM which is used by the OnStar® Call Center.
GPS Signal: This displays the status of a received GPS signal.
Julian Date of Build: This displays the day of the year the module was built.
Module ID: This displays the version of OnStar® which the vehicle is equipped with.
Signal Strength: This displays a calculated value for cellular reception signal strength. A higher number indicates a stronger signal.
Signal Type: This displays whether the OnStar® VCIM is currently operating in a digital or analog market.
Software ID: This displays the 3-digit number of the software version used on the OnStar® VCIM.
Time: This displays the time as synchronized with GPS Satellites.
Transceiver ID: This displays the ID number of the cellular tower that the OnStar® VCIM is using for cellular signal.
VCI Module Station ID: This is the station identification number stored in the VCIM which is used by the OnStar® Call Center.
Year Module Build: This displays the year the module was built.