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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 241 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
2006 Chevrolet Suburban C2500, 6.0 U
Scan Tool Data List
2006 Chevrolet Suburban C2500, 6.0 USECTION Scan Tool Data List
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. 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 OFF/Vehicle in PARK/Park Brake RELEASED/Headlamps in AUTO/All door closed | |||
| Accessory Switch | Input | Active/Inactive | Inactive |
| Backup Lamps | Output | On/Off | Off |
| Battery Voltage | Data | Volts | Varies |
| Cargo Door Ajar Switch | Input | Open/Closed | Closed |
| Courtesy Lamp Switch | Input | On/Off | Off |
| Daytime Running Lamps | Output | Active/Inactive | Inactive |
| Dimming Potentiometer | Data | Volts | Varies |
| Dimming Potentiometer R | Data | Volts | 5.0 |
| Drive Door Ajar Sw. | Input | On/Off | Off |
| Flash to Pass Switch | Input | On/Off | Off |
| Headlamps On Indicator | Output | On/Off | Off |
| Headlamps Switch | Input | Active/Inactive | Inactive |
| High Beam Relay | Output | On/Off | Off |
| High Beam Switch | Input | On/Off | Off |
| Ignition Unlock | Input | Active/Inactive | Active |
| Inadvertent Power | Output | On/Off | On |
| Interior Lamp Defeat Switch | Input | Active/Inactive | Inactive |
| Key In Ignition | Input | Yes/No | Yes |
| Park Brake Switch | Input | Set/Released | Released |
| Park Lamp Relay | Output | On/Off | On/Off |
| Park Lamp Switch | Input | Active/Inactive | Inactive |
| RAP Relay | Output | On/Off | On |
| Passenger/Rear Cargo Do | Input | On/Off | Off |
| Run/Crank | Input | Active/Inactive | Inactive |
RENDER: 1.0x
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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.