Lighting DTCS
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
LIGHTING DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC B0951 | Dimming Circuit |
| DTC B1480 | Battery Rundown Protection Circuit Malf |
| DTC B2527 | Front Fog Lamp Circuit Low |
| DTC B2530 | Front Foglamps Control Circuit |
| DTC B2540 | Rear Foglamps Control Circuit |
| DTC B2550 | Backup Lamps Control Circuit |
| DTC B2575 | Headlamp Control Circuit |
| DTC B2580 | Headlamp High Beam Control Circuit |
| DTC B2585 | Parklamp Control Circuit Malfunction |
| DTC B2610 | Passenger Compartment Dimming 1 Circuit |
| DTC B2615 | Passenger Compartment Dimming 2 Circuit |
| DTC B2620 | Display Dimming Input Circuit |
| DTC B2625 | Display Dimming Pulse Width Modulation (PWM) Output Circuit |
| DTC B2645 | Ambient Light Sensor Circuit |
| DTC B3801 | Passenger Compartment Lamp Request Circuit |
| DTC B3802 | Parklamps Request Circuit |