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 C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 241 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL OUTPUT CONTROLS
2006 Chevrolet Suburban C1500, 5.3 Z
Scan Tool Output Controls
2006 Chevrolet Suburban C1500, 5.3 ZSECTION Scan Tool Output Controls
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 Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Light Test | Daytime Running Lamps | The body control module (BCM) activates the daytime running lamps (DRL) when you select ON. The DRL will remain illuminated for approximately 5 seconds. |
| Light Test | High Beams | The BCM activates the high beam relay when you select ON. The high beams will remain illuminated for approximately 5 seconds. |
| Light Test | Low Beams | The BCM activates the low beam relay when you select ON. The low beams will remain illuminated for approximately 5 seconds. |
| Light Test | Parking Lamps | The BCM activates the park lamp relay when you select ON. The park lamps will remain illuminated for approximately 5 seconds. |
| Light Test | Courtesy Lamps | The BCM activates the courtesy lamp output when you select ON. The courtesy lamps will remain illuminated for approximately 5 seconds. |
| Light Test | Backup Lamps | The BCM activates the backup lamp output when you select ON. The backup lamps will remain illuminated for approximately 5 seconds. |
| Miscellaneous Test | Headlamps On Indicator | The BCM activates the headlamps on indicator output when you select ON. The headlamps on indicator will remain illuminated for approximately 5 seconds. |
| Inadvertent Power | - | The BCM deactivates the inadvertent power circuit when you select OFF. The inadvertent power circuit will remain inactive for approximately 5 seconds. |
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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.