For 1990-2009 cars only
8-Digit GM Part Number: This displays the part number
for the VIU.
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 VCU 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 VIU.
VCI Module Station I.D.: This is the station identification number stored in the VIU which is used by the OnStar® Call Center.
Year Module Build: This displays the year the module was built.
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 VCU 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 VIU.
VCI Module Station I.D.: This is the station identification number stored in the VIU which is used by the OnStar® Call Center.
Year Module Build: This displays the year the module was built.
