Check HDC System
WarningBYD · Steering & Chassis
What does this warning light mean?
This warning indicates a fault with the Hill Descent Control (HDC) system. HDC automatically manages your speed when driving downhill to maintain a slow, steady descent. When faulty, this feature is unavailable.
Can I drive?
With caution
What to do
Contact a BYD authorised service centre. Until the HDC system is repaired, use the brake pedal to manually control your speed when descending hills and drive with caution.
Likely causes
- —HDC module fault
- —Wheel speed sensor fault
Technical Information
| Field | Value |
|---|---|
| Code | BYD_FP_010 |
| System | Steering & Chassis |
| Severity | WARNING |
| Can drive? | caution |
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.