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.
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.
Powertrain Control Module (PCM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine OFF | |||
| Crank Request Signal | Engine Data 1 | Yes/No | No |
| Ignition 1 Signal | Engine Data 1, Engine Data 2 | Volts | 9-14 V |
| GEN L-Terminal Signal Command | Engine 2 Data | On/Off | Off |
| GEN F-Terminal Signal | Engine 2 Data | % | 10-90% |
| TR Sw. | Engine Data 2 | Park, Reverse, Neutral, Drive 4, Drive 3, Drive 2, Drive 1, Invalid | Park |
RENDER: 1.0x
NO RELATED
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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.