Scan Tool Data Definitions

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. 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® vehicle communication interface module (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