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 MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISENGINE MECHANICALSTARTERBATTERY, CHARGING SYSTEM AND STARTING SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
2001 Chevrolet Suburban C1500
Scan Tool Data List
2001 Chevrolet Suburban C1500SECTION Scan Tool Data List
Powertrain Control Module (PCM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine OFF (Gasoline Engines Only) |
|||
| Ignition 1 Signal | Engine 1, 2 Data | Volts | 9-14 V |
| GEN L-Terminal Signal Command | Engine 2 Data | OK/No Output | OK |
| GEN F-Terminal Signal | Engine 2 Data | % | 10-90% |
| Ignition ON/Engine OFF (6.6L LB7 Diesel) |
|||
| Ignition 1 Signal | Engine 2 Data | Volts | 9-14 V |
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.