For 1990-2009 cars

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Ignition ON with engine OFF
PROM ID | Module Information | Digits (4) | 0002
Master Flash ROM ID | Module Information | 2 Digits | 16
Slave Flash ROM ID | Module Information | 2 Digits | 17
Julian Date of Build | Module Information | 3 Digits | 098
Year Module Build | Module Information | 4 Digits | 1999
8 Digit GM Part Number | Module Information | 7 digits | 9380789
Component Serial # 8-11 | Module Information | 4 Digits | 1909
Component Serial #12 | Module Information | 1 Digit | 9
Component Serial # 13-16 | Module Information | 4 Digits | 0003
Component Serial # 17-18 | Module Information | 2 Digits | 01
Second | GPS Information | 2 Digits | 21
Hour | GPS Information | 2 Digits | 22
Day | GPS Information | 2 Digits | 25
Month | GPS Information | 2 Digits | 07
Year | GPS Information | 2 Digit | 25
Minute | GPS Information | 2 Digit | 04
Latitude | GPS Information | 2 Digit | 09
Longitude | GPS Information | 2 Digit | EE
Green LED on Keypad | Inputs | Active/Inactive | Active
Red LED on Keypad | Inputs | Active/Inactive | Inactive
Keypad Input | Inputs | Inactive/Phone Key/Onstar® Key/Emergency Key | Inactive
Vehicle Interface Unit Status | Inputs | Normal/Abnormal | Normal
Light Pass/Light Output This Ignition | Inputs | Change/No Change | No Change
Lock Output This Ignition Cycle | Inputs | Change/No Change | No Change
Unlock Output This Ignition Cycle | Inputs | Change/No Change | No Change
Horn Output This Ignition Cycle | Inputs | Change/No Change | No Change
Audio Mute Output This Ignition Cycle | Inputs | Change/No Change | No Change
Key Output This Ignition Cycle | Inputs | Change/No Change | Change
Audio Mute Output Current | Inputs | Active/Inactive | Inactive
Door Input Current | Inputs | Active/Inactive | Active
Theft Input Current | Inputs | Active/Inactive | Inactive
Accessory Input Current | Inputs | Active/Inactive | Inactive
Ignition Input Current | Inputs | Active/Inactive | Inactive
Theft Input This Ignition Cycle | Inputs | * | *
Theft In History | Inputs | Change/No Change | No Change
Door In History | Inputs | Change/No Change | No Change
Crash Detect History | Inputs | Change/No Change | No Change