Scan Tool Data Definitions

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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.