C0505
Left Front Wheel Speed Sensor A Correlation
C0505 is an OBD-II diagnostic trouble code meaning: Left Front Wheel Speed Sensor A Correlation. Common causes: damage to the wheel speed sensor, sensor or ring gear dirty. Estimated repair cost: $56–167.
Symptoms
- ABS/ESP indicator is on
- Unstable operation of the ABS system
- Loss of ESP functions
- Incorrect speedometer readings
Causes
- Damage to the wheel speed sensor
- Sensor or ring gear dirty
- Open or short circuit in wiring harness
- ABS module malfunction
- Connection problems or contact corrosion
How to Fix
- Check the visual condition of the sensor and ring gear
- Clean the sensor and crown from dirt
- Check resistance and integrity of wiring harness
- Check the sensor signal with an oscilloscope
- Replace sensor if necessary
- Check the operation of the system after repair
Related codes
Error C0505 by Vehicle Brand
FAQ
What does the C0505 code mean?
C0505 is an OBD-II diagnostic trouble code that indicates: Left Front Wheel Speed Sensor A Correlation
What causes a C0505 error code?
The most common causes of C0505 include: Damage to the wheel speed sensor; Sensor or ring gear dirty; Open or short circuit in wiring harness; ABS module malfunction.
How do I fix a C0505 diagnostic trouble code?
To fix C0505: Check the visual condition of the sensor and ring gear. Clean the sensor and crown from dirt. Check resistance and integrity of wiring harness. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0505?
Limited driving only, diagnose soon
How much does it cost to fix C0505?
The estimated repair cost for C0505 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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