C0518
Left Front Wheel Speed Sensor - Mechanical
C0518 is an OBD-II diagnostic trouble code meaning: Left Front Wheel Speed Sensor - Mechanical. Common causes: damage to the wheel speed sensor, sensor or pulse ring dirty. Estimated repair cost: $56–167.
Symptoms
- ABS/ESP indicator is on
- Unstable ABS operation
- Problems with the stabilization system
- Incorrect speed readings on the speedometer
Causes
- Damage to the wheel speed sensor
- Sensor or pulse ring dirty
- Incorrect gap between sensor and impulse ring
- Pulse ring damage
- Corrosion or oxidation of contacts
How to Fix
- Visual inspection of the sensor and pulse ring
- Checking the gap between the sensor and the impulse ring
- Cleaning the Sensor and Pulse Ring
- Replace the sensor if necessary
- Replacing the impulse ring if damaged
- Checking and cleaning wiring harness contacts
Related codes
Error C0518 by Vehicle Brand
FAQ
What does the C0518 code mean?
C0518 is an OBD-II diagnostic trouble code that indicates: Left Front Wheel Speed Sensor - Mechanical
What causes a C0518 error code?
The most common causes of C0518 include: Damage to the wheel speed sensor; Sensor or pulse ring dirty; Incorrect gap between sensor and impulse ring; Pulse ring damage.
How do I fix a C0518 diagnostic trouble code?
To fix C0518: Visual inspection of the sensor and pulse ring. Checking the gap between the sensor and the impulse ring. Cleaning the Sensor and Pulse Ring. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0518?
Limited driving only, diagnose soon
How much does it cost to fix C0518?
The estimated repair cost for C0518 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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