C0035: Left Front Wheel Speed Sensor Circuit Malfunction
Standardized SAE J2012 code · C00xx codes
Safety-critical system. Faults in airbags, brakes, steering or high-voltage components can put people at risk. Follow the manufacturer's service information and safety procedures, or have the vehicle checked by a qualified workshop.
What does C0035 mean?
The ABS control module has detected a fault in the left front wheel speed sensor circuit. Loss of wheel speed information disables ABS and stability control, and a separate ABS warning lamp is illuminated.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Common causes
- High Wheel speed sensor failed
- Medium Tone ring (reluctor) damaged or contaminated with debris
- Medium Wiring break or chafe at wheel arch
- Low Wheel hub bearing with integrated sensor ring failed
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of C0035 on the same make and model first.
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