C0030Left Front Wheel Speed Sensor Circuit Range/Performance
The signal from the left front wheel speed sensor is implausible relative to the other wheels. Typical causes are excessive air gap, contaminated tone ring or partial sensor failure.
Can I keep driving? Yes
You can keep driving normally. Schedule a check soon so emissions and performance are not affected.
Sistema Afectado
Chasis · ABS, frenos y suspensión
Afecta el chasis: sensores ABS, control de tracción, frenos o suspensión.
Espacio para vendedores de repuestos
Aún no hay un anunciante en este espacio.
Symptoms You Will Notice
What you may observe when this code appears
- ABS warning light on ESC/stability control deactivated Possible reduced brake assist Speedometer may behave erratically
Possible Causes
The components or conditions that trigger this code
- 1Metal debris on tone ring (magnetic encoder) Sensor air gap too large Sensor intermittent at temperature
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: medium. Estimated time: 0.5-2.5 hours. Estimated cost: €80-€
- 2DIY possible
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
ABS / brake sensors
* Diagnosis only: $50–$150
Quick Info
Dig Deeper
Videos, images and service manuals
Have Another Code?
Look it up directly: