For 1990-2009 cars

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Ignition ON with engine OFF
8-Digit GM Part Number | Module 2 | 8 Digits | Varies
Component Serial Number 13-16 | Module 1 | 4 Digits | Varies
Date | GPS Data | Date | DD/MM/YY
Electronic Serial Number | Module 2 | 11 Digits | Varies
GPS Signal | GPS Data | Yes/No | Yes
Julian Date of Build | Module 1 | 3 Digits | Varies
Module I.D. | Module 2 | Alpha-numeric | Generation 4/5/6
Signal Strength | Signal Strength | 0-100 | 68
Signal Type | Signal Strength | Analog/Digital | Digital
Software I.D. | Module 1 | 3 Digits | Varies
Time | GPS Data | Time | HH:MM:SS
Transceiver ID | Signal Strength | 2-5 Digits | Varies
VCI Module Station I.D. | Module 2 | 10 Digits | Varies
Year Module Built | Module 1 | 4 Digits | Varies