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ACTION REQUIRED
Anti-lock Brake System (ABS) Warning
Can I keep driving?Usually yes, with extra care, if the ABS warning is the only brake warning illuminated and normal braking feels unaffected.
Drive carefully and have the ABS system inspected as soon as possible.
What does it mean?
The Anti-lock Brake System has detected a fault. The vehicle's conventional brakes may continue to operate, but the anti-lock braking function may not be available.
What should I do?
- Check whether any other brake warning lights are illuminated.
- If ABS is the only brake warning and normal braking feels unaffected, drive carefully and have the system inspected as soon as possible.
- Allow extra distance for braking and avoid unnecessary heavy braking.
- Be particularly cautious on wet, icy or loose road surfaces.
- Follow any additional instructions displayed by the vehicle and consult the owner's manual.
- If a red Brake System warning is also illuminated, braking feels abnormal, or you have any doubt about braking performance, stop somewhere safe and do not continue driving.
Possible causes
- ABS wheel-speed sensor fault
- Damaged or contaminated wheel-speed sensor or reluctor ring
- ABS wiring or electrical fault
- ABS control-unit fault
- Low system voltage
- Other ABS-system malfunction
DashAid guidance is researched using vehicle-manufacturer documentation and established UK motoring and road-safety sources. Always consult your vehicle's owner's manual for model-specific instructions.