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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1832 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Diagnostic Code Index
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Diagnostic Code Index
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1395 | B1395 03: Device Voltage Reference Output 1 Circuit Below Threshold B1395 07: Device Voltage Reference Output 1 Circuit Above Threshold |
| DTC B1480 | B1480 00: Battery Rundown Protection Circuit |
| DTC B2545 | B2545 00: Backup Lamps Circuit |
| DTC B2575 | B2575 00: Headlamp Control Circuit |
| DTC B257A | B257A 00: Headlamp Switch Input Signal Mismatch |
| DTC B2580 | B2580 00: Headlamp High Beam Control Circuit |
| DTC B2585 | B2585 00: Left Park Lamp Control Circuit |
| DTC B2600 | B2600 00: Daytime Running Lamp Control Circuit |
| DTC B2610 | B2610 00: Passenger Compartment Dimming 1 Circuit |
| DTC B2615 (with out YF7) | B2615 00: Passenger Compartment Dimming 2 Circuit |
| DTC B2615 (with YF7) | B2615 00: Passenger Compartment Dimming 2 Circuit |
| DTC B2645 | B2645 03: Ambient Light Sensor Circuit Below Threshold B2645 07: Ambient Light Sensor Circuit Above Threshold |
| DTC B2652 | B2652 00: Passenger Compartment Dimming 3 |
| DTC B3445 | B3445 00: Center High Mounted Stop Lamp (CHMSL) Circuit |
| DTC B3600 | B3600 03: Passenger Compartment Dimming Request Signal Circuit Voltage Below Threshold |
| DTC B3884 | B3884 00: Stoplamp Circuit |
| DTC C0277, C0297, or C0890 | C0277 00: Brake Pedal Position Sensor Calibration Not Learned C0297 00: Brake Applied Output Circuit C0890 00: Device Voltage Reference Output 3 Circuit Voltage Out of Range |
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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.