DTC code
C0031
Left Front Wheel Speed Sensor
Technical guide
reference — not individually verifiedSymptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Probable causes
- high: Sensor wiring shorted to ground
- medium: Sensor coil open internally
- low: Connector pins corroded - high contact resistance
Diagnostic steps
Check the components involved: wheel speed sensor fl, sensor wiring, abs control module. Verify wiring and connectors before replacing any part. Job difficulty: medium. Typical European range — 80-350 EUR, 0.5-2 h. Reference values only.
Cross-checked technical synthesis (QA). It does not replace the manufacturer's procedure.
AI here is a librarian: this page shows only what mechanics confirmed, or says “unknown”. It never suggests a diagnosis — MECCANIC interprets the code, never your car.
0 confirmed cases on C0031
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