Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 31 (WIRING SYSTEMS AND POWER MANAGEMENT)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
2008 Pontiac Grand Prix Base
Scan Tool Data List
2008 Pontiac Grand Prix BaseSECTION Scan Tool Data List
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
BCM Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON, Engine OFF | |||
| Battery Voltage | Data | Volts | 12.5 |
| SWC Switch Voltage | Data | Volts | 0 |
| GM Part Number | ID information | 8 digits | xxxxxxxx |
| Julian Date of Build | ID Information | 3 digits | xxx |
| Year Module Built | ID information | 4 digits | xxxx |
| Ignition 0 | Inputs | On/Off | On |
| Ignition 1 | Inputs | On/Off | On |
| Ignition Accessory | Inputs | Active/Inactive | Active |
| Key in Ignition | Inputs | Yes/No | Yes |
| Left Rear/Rear Cargo Door Ajar Switch | Inputs | On/Off | Off |
| Right Rear Door Ajar Sw. | Inputs | On/Off | Off |
| RAP Relay | Outputs | On/Off | On |
| SWC Switch Power | Outputs | On/Off | On |
DDM/FPDM Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON, Engine OFF | |||
| Door Ajar Switch | Inputs | On/Off | Off |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.