C0031

Symptoms

• ABS/ESP indicator is on
• Disabling the ABS system
• Disabling the ESP system
• Incorrect operation of cruise control
• Errors in other systems that depend on speed data

Causes

• Wheel speed sensor malfunction
• Open or short circuit in wiring harness
• Oxidation or damage to connectors
• Damage to the magnetic ring in the wheel bearing
• Mechanical damage to the sensor (contamination, shock)

How to Fix

1. Diagnostics with a scanner to confirm the code
2. Visual inspection of the sensor and wiring
3. Checking the sensor resistance (comparison with specifications)
4. Checking voltage and continuity
5. Clean or replace the sensor if necessary
6. Replacing the wheel bearing if the magnetic ring is damaged
7. Reset errors and check

Related codes

Error C0031 by Vehicle Brand