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Home >> Chevrolet >> 2001 >> Chevy Express G2500, Van Cargo Extended, 5.0 M >> Repair and Diagnosis >> External Pages >> Different car >> Section 951 (Cellular Communication System) >> Diagnostic Information and Procedures >> Scan Tool Data Definitions

Scan Tool Data Definitions

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2001 GMC Yukon XL, 2001 GMC Yukon, 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, and 2001 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
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.

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