Lane Assist Fault
WarningBYD · Driver Assist
What does this warning light mean?
Indicates a malfunction in the Lane Departure Warning (LDW) or Lane Departure Prevention (LDP) system. Lane keeping assistance is currently unavailable. This may be due to a dirty or obstructed front camera, or a hardware fault.
Can I drive?
Yes — safe to drive
What to do
Take your vehicle to a BYD authorised service centre for inspection. Until the system is repaired, remain attentive and manually keep your vehicle within the lane.
Likely causes
- —Front camera fault
- —System software fault
Technical Information
| Field | Value |
|---|---|
| Code | BYD_WL_017 |
| System | Driver Assist |
| Severity | WARNING |
| Can drive? | yes |
Data confidence: Community This information is for reference only. Always consult a qualified technician for diagnosis and repair. Do not attempt high-voltage system repairs yourself.