Scan Tool Data Definitions

Module Information -Software Version:  This displays the 3-digit number of the software version used on the OnStar® VCIM.

Module Information Hardware Version:  This displays the 1-digit number of the hardware version used on the OnStar® VCIM.

Module Information - Julian Date Of Build:  This displays the day of the year the module was built.

Module Information - Year Module Built:  This displays the year the module was built.

Module Information - 8-Digit GM Part Number:  This displays the part number for the VCIM.

Module Information - Component Serial #8:  This is the first partition of the serial number.

Module Information - Component Serial #12:  This is the second partition of the serial number.

Module Information - Component Serial #13:  This is the third partition of the serial number.

VCI Module Station Identification 

Number (STID):  This is the station identification number stored in the VCIM which is used by the OnStar® Call Center.

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

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