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 992 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL OUTPUT CONTROLS
2006 Chevrolet Suburban C2500, 6.0 U
Scan Tool Output Controls
2006 Chevrolet Suburban C2500, 6.0 USECTION Scan Tool Output Controls
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM)
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Backup Lamps | Exterior Lighting | The Body Control Module (BCM) activates the backup lamp relay when you select ON. The backup lamps illuminate for 5 seconds or until commanded OFF. |
| DRL | Exterior Lighting | The BCM activates the daytime running lamps (DRL) relay when you select ON. The DRL illuminate for 5 seconds or until commanded OFF. |
| Fog Lamps | Exterior Lighting | The BCM activates the fog lamps relay when you select ON. The fog lamps illuminate for 5 seconds or until commanded OFF. |
| High Beams | Exterior Lighting | The BCM activates the high beam relay when you select ON. The high beam headlamps illuminate for 5 seconds or until commanded OFF. |
| LF Turn Signal | Exterior Lighting | The BCM activates the left front turn signal lamps when you select ON. The turn signal lamps illuminate for 5 seconds or until commanded OFF. |
| Low Beams | Exterior Lighting | The BCM activates the low beam relay when you select ON. The low beam headlamps illuminate for 5 seconds or until commanded OFF. |
| LR Turn Signal | Exterior Lighting | The BCM activates the left rear turn signal lamps when you select ON. The lamp illuminates for 5 seconds or until commanded OFF. |
| Parking Lamps | Exterior Lighting | The BCM activates the park lamp relay when you select ON. The park lamps illuminate for 5 seconds or until commanded OFF. |
| RF Turn Signal | Exterior Lighting | The BCM activates the right front turn signal lamps when you select ON. The turn signal lamps illuminate for 5 seconds or until commanded OFF. |
| RR Turn Signal | Exterior Lighting | The BCM activates the right rear turn signal lamps when you select ON. The lamp illuminates for 5 seconds or until commanded OFF. |
| Courtesy Lamp | Interior Lighting | The BCM activates the interior lamps outputs for 5 seconds when you select ON. The dome, footwell, and courtesy lamps illuminate for 5 seconds or until commanded OFF. |
| Incandescent Dimming | Interior Lighting | The BCM activates the interior incandescent type component lamps from full dim to full bright for 5 seconds or until commanded OFF. |
| LED Dimming | Interior Lighting | The BCM activates the interior LED type component lamps from full dim to full bright for 5 seconds or until commanded OFF. |
Driver Door Switch
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Integrated Sw. Backlighting Test | Light Test | The driver door switch module activates the switch backlighting when you select ON. The switch backlighting illuminates for 10 seconds or until commanded OFF. |
| Non-Integrated Backlighting Test | Light Test | The driver door switch module activates the switch backlighting that is separate from the module when you select ON. The switch backlighting illuminates until commanded OFF. |
| Puddle/Courtesy Lamp | Light Test | The driver door switch module activates the puddle and courtesy lamps when you select ON. The lamps remain illuminated for 10 seconds or until commanded OFF. |
Export Body Control Module (XBCM)
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Rear Fog Lamps | Output Controls | The XBCM activates the rear fog lamps when you select ON. The rear fog lamps illuminate until commanded OFF. |
| Trailer Fog Lamps | Output Controls | The XBCM activates the trailer fog lamps circuit when you select ON. The trailer fog lamps circuit remains energized until commanded OFF. |
Instrument Panel Cluster (IPC)
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Dimming | Special Functions | The Instrument Panel Cluster (IPC) will dim the PRNDL and DIC display for 5 seconds or until commanded OFF. |
Passenger Door Switch
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Integrated Sw. Backlighting Test | Light Test | The passenger door switch module activates the switch backlighting when you select ON. The switch backlighting illuminates for 10 seconds or until commanded OFF. |
| Non-Integrated Backlighting Test | Light Test | The passenger door switch module activates the switch backlighting that is separate from the module when you select ON. The switch backlighting illuminates until commanded OFF. |
| Puddle/Courtesy Lamp | Light Test | The passenger door switch module activates the puddle and courtesy lamps when you select ON. The lamps remain illuminated for 10 seconds or until commanded 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.