C0035 — Left Front Wheel Speed Sensor Circuit
Category: Chassis Severity: High
Updated:
DTC code C0035 means: Left Front Wheel Speed Sensor Circuit. It falls under the "Chassis" category, with an estimated severity of High. Common causes include failed wheel speed sensor, broken sensor wire (suspension area) and damaged magnetic ring or tone wheel; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Failed wheel speed sensor
- Broken sensor wire (suspension area)
- Damaged magnetic ring or tone wheel
- Loose wheel bearing
Symptoms
- ABS and stability lights on
- ABS disabled
- Traction control disabled
- Erratic speedometer on some models
How to diagnose it step by step
- Compare wheel speeds on the scan tool.
- Inspect the sensor wire.
- Measure sensor resistance or signal.
- Check the tone wheel or magnetic ring.
- Replace the sensor or bearing.
How to fix it
Compare all four wheel speeds on a scan tool during a test drive: the left front will read 0 or erratic. Check the wire and sensor; if the sensor is fine, check the bearing's magnetic ring.
Estimated repair cost
Sensor: $30–120; $80–220 installed. Wheel bearing: $150–400.
Frequently asked questions
What does DTC code C0035 mean?
Left Front Wheel Speed Sensor Circuit.
Is code C0035 serious?
Severity High. Have it checked as soon as possible, especially if it affects safety or the catalytic converter.
Can I keep driving with code C0035?
Brakes work, but without ABS: drive carefully.
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