Lighting System - DTCS
LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B093F | Dome Lamp Switch Indicator Circuit Short to Voltage |
| DTC B1395 | Control Module Voltage Reference Output 1 |
| DTC B1480 | Battery Rundown Protection Circuit Short to Ground |
| DTC B2540 | Rear Fog Lamps Control |
| DTC B2545 | Backup Lamps Circuit Short to Ground |
| DTC B255D | Passenger Compartment Lamp Control 2 Circuit Short to Ground |
| DTC B255F | Interior Door Handle Backlight Circuit Short to Ground |
| DTC B256A | Liftgate Lamp Control Circuit Short to Ground |
| DTC B2575 or B2699 | Headlamps Control Circuit |
| DTC B257A | Headlamp Switch Input Signals Correlation Malfunction |
| DTC B2580 | High Beam Control Circuit Short to Battery |
| DTC B2585 or B3867 | Left/Right Park Lamps Control Circuit Short to Ground |
| DTC B2590 or B2595 | Left/Right Cornering Lamp (T4L with TR7) |
| DTC B2590 or B2595 | Left/Right Cornering Lamp (T4L without TR7) |
| DTC B25F8 or B25F9 | Auxiliary Daytime Running Lamps Relay Control |
| DTC B260D or B260E | Left/Right Daytime Running Lamp and Front Park Lamp Control |
| DTC B2610 | Passenger Compartment Dimming 1 Circuit Short to Ground |
| DTC B2615 | Passenger Compartment Dimming 2 Circuit Short to Ground |
| DTC B2625 | Display Dimming Pulse Width Modulation Output Circuit Short to Ground |
| DTC B263A | Exterior Illumination Lamp |
| DTC B2645 | Ambient Light Sensor Circuit Low/High Voltage |
| DTC B3410 or B3420 | Headlamp Leveling Control Module Front Axle Sensor |
| DTC B3415 | Headlamp Leveling Control Module Axle Sensor Supply |
| DTC B3435 or B3440 | Headlamp Leveling Control Module Left Servo Driver |
| DTC B3596 | Hazard Lamps Request Circuit Malfunction |
| DTC B3600 | Passenger Compartment Dimming Request Signal |
| DTC B3650 | High Beam Request Signal Circuit Performance - Signal Invalid |
| DTC B3806 | High Beam and Headlamp Flash Select Circuit Malfunction |
| DTC B3881 or B3882 | Trailer Left/Right Tail Lamp |
| DTC B3883 | License Plate Lamp Circuit Short to Ground |
| DTC B3884 | Center High Mounted Stop Lamp Circuit Short to Ground |
| DTC B3885 or B3886 | Trailer Left Tail Lamp |
| DTC B3887 or B3888 | Trailer Left/Right Turn Signal |
| DTC B3889 | Trailer Brake Lamps |
| DTC B388B or B388C | Secondary Left/Right Tail and Brake Lamp |
| DTC B388D | Rear Multifunction Carrier Switch Circuit High Voltage/Open |
| DTC B388E | Trailer Lamps Number of Intermittent Short Circuit Detections Exceeded Signal Cross Coupled |
| DTC B3890 | Trailer Backup Lamps |
| DTC B3891 | Trailer Fog Lamps |
| DTC B3948 or B3949 | Left/Right Front Turn Signal |
| DTC B3950 or B3951 | Left/Right Rear Turn Signal (BCM) |
| DTC B3950 or B3951 | Trailer Left/Right Turn Signal Lamp (Trailer Lighting Control Module) |
| DTC C0277 or C0890 | Brake Pedal Position Sensor |
| DTC C0297 | Brake Applied Output Circuit Short to Ground |