Scan Tool Data Definitions Gen 5

8 Digit GM Part Number: This displays the part number for the vehicle communication interface module (VCIM).

Component Serial Number 13-16: This is the third partition of the serial number.

Electronic Serial Number: This is the electronic serial number stored in the VCIM which is used by the OnStar® Call Center.

Julian Date of Build: This displays the day of the year the module was built.

Module I.D. : This displays the version of OnStar® which the vehicle is equipped with.

Software I.D.: This displays the 3-digit number of the software version used on the OnStar VCIM.

VCI Module Station I.D. : 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.

Scan Tool Data Definitions Gen 6

8-Digit GM Part Number: This displays the part number for the vehicle communication interface module (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 I.D.: 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 Generation 6 OnStar® VCIM is currently operating in a digital or analog market.

Software I.D.: 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 I.D.: 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.