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 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine Running | |||
| Battery Voltage | Data | Volts | 12.6 Volts |
| Regulated Voltage Control Current Sensor | Data | % | 0 % |
| Starter Switch | Inputs | Released/Cranking | Released |
Instrument Panel Cluster (IPC)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine Running | |||
| Battery Voltage | Data | Volts | 12.6 Volts |
Powertrain Control Module (PCM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine OFF/Transmission in Park | |||
| Crank Request Signal | Data Display | Yes/No | No |
| GEN F-Terminal Signal | Data Display | % | 45% |
| GEN L-Terminal Signal Command | Data Display | On/Off | OFF |
| Ignition 1 Signal | Data Display | Volts | 12.6 Volts |
| IMS | Transmission Data | Drive 3, Drive 4\Drive 3, Park\Reverse, Reverse, Drive 3\Drive 2, Drive 2, Park, Invalid, Neutral\Drive 4, Drive 4, Neutral, Reverse\Neutral, Drive 1, Drive 2\Drive 1, Invalid, Open | Park |
| Starter Relay Circuit History | Data Display | OK/Open/Short/Invalid | OK |
| Starter Relay Command | Data Display | On/Off | Off |
Engine Control Module (ECM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine OFF/Transmission in Park | |||
| Crank Request Signal | Data Display | Yes/No | No |
| Current Gear | Data Display | P/N, 1st, 2nd, 3rd, 4th, 5th, Reverse | P/N |
| GEN F-Terminal Signal | Data Display | % | 45% |
| GEN L-Terminal Signal Command | Data Display | % | 10% |
| Ignition 1 Signal | Data Display | On/Off | Off |
| IMS | Transmission Data | Drive 3, Drive 4\Drive 3, Park\Reverse, Reverse, Drive 3\Drive 2, Drive 2, Park, Invalid, Neutral\Drive 4, Drive 4, Neutral, Reverse\Neutral, Drive 1, Drive 2\Drive 1, Invalid, Open | Park |
| PNP Switch | Data Display | Park/Neutral, In Gear | Park/Neutral |
| Starter Relay Command | Data Display | On/Off | Off |
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.