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