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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1091 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Diagnostic Code Index
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Diagnostic Code Index
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.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B257A | Headlamp Switch Input Signal Mismatch |
| DTC B1395 | Voltage Threshold |
| DTC B2530 | Front Fog Lamp Control Circuit |
| DTC B2545 | Backup Lamps Circuit |
| DTC B2555 | Passenger Compartment Lamp Control Circuit Short |
| DTC B2575 | Headlamp Control Circuit |
| DTC B2580 | Headlamp High Beam Control Circuit |
| DTC B2585 | Park Lamp Control Circuit |
| DTC B2600 | Daytime Running Lamp Control Circuit |
| DTC B2610 | Passenger Compartment Dimming 1 Circuit |
| DTC B2615 | Passenger Compartment Dimming 2 Circuit |
| DTC B2625 | Display Dimming Pulse Width Modulation (PWM) Output Circuit |
| DTC B2645 | Ambient Light Sensor Circuit Threshold |
| DTC B2652 | Passenger Compartment Dimming 3 |
| DTC B3445 | Stop Lamp Circuit |
| DTC B3600 | Voltage Threshold |
| DTC B3884 | Center High Mounted Stop Lamp (CHMSL) Circuit |
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.