Chassis (C)
C0035: Left front wheel speed sensor fault
The signal from the left front wheel speed sensor is missing or not believable. This can affect the anti-lock braking system (ABS).
Checked by a licensed car technician · last reviewed 29 September 2026
Symptoms
- ABS warning light on
- Unusual braking behaviour
- Traction control light on
Common causes
- Sensor damage
- Tone ring fault
- Wiring harness issue
How to check it yourself
- Inspect the sensor for damage or dirt
- Check the tone ring for damage or debris
- Inspect the wiring harness for damage or loose connections
- Compare live-data from wheel sensor on a test-drive
Can I keep driving?
The car can still be driven, but braking performance may be affected. Drive with caution.
General guidance, not a professional inspection. Confirm faults with measurements before buying parts, and use a qualified mechanic for brakes, steering, fuel leaks, airbags, and other safety-critical work. Terms and disclaimer