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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 919 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC TROUBLE CODE (DTC) LIST
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Diagnostic Trouble Code (DTC) List
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Diagnostic Trouble Code (DTC) List
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2001 GMC Yukon XL, 2001 GMC Yukon, 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, and 2001 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) List
| DTC | Diagnostic Procedure | Module(s) |
|---|---|---|
| B1480 | DTC B1480 Battery Rundown Protection Circuit Malfunction | BCM |
| B2527 | DTC B2527 Front Fog Lamp Circuit Low | BCM |
| B2577 | DTC B2577 Headlamp Control Circuit Low | BCM |
| B2585 | DTC B2585 Parklamp Control Circuit Malfunction | BCM |
| B2613 | DTC B2613 Pass Compartment Dimming # 1 Circuit High | BCM |
| B2617 | DTC B2617 Pass Compartment Dimming # 2 Circuit Low | BCM |
| B2618 | DTC B2618 Pass Compartment Dimming # 2 Circuit High | BCM |
| B2642 | DTC B2642 Delayed Exterior Lighting Control Circuit Low | BCM |
| B2643 | DTC B2643 Delayed Exterior Lighting Control Circuit High | BCM |
| B2647 | DTC B2647 Ambient Light Sensor Circuit Low | BCM |
| B2648 | DTC B2648 Ambient Light Sensor Circuit High | BCM |
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.