C0238
Wheel Speed Mismatch
C0238 is an OBD-II diagnostic trouble code meaning: Wheel Speed Mismatch. Common causes: wheel speed sensor (wss) malfunction, damage to the sensor wiring harness. Estimated repair cost: $56–167.
Symptoms
- ABS/ESP indicator is on
- Unstable ABS operation
- Loss of traction on slippery surfaces
- Activation of the ESP system for no apparent reason
Causes
- Wheel Speed Sensor (WSS) malfunction
- Damage to the sensor wiring harness
- Different tire diameter or wear
- Wheel bearing problems
- Contamination or damage to the sensor ring
How to Fix
- Check the condition of the tires (wear, pressure, diameter)
- Inspect the wheel speed sensors and their wiring harnesses
- Check the sensor rings for contamination or damage.
- Test WSS sensors using a diagnostic scanner
- Replace faulty sensors or wiring harnesses
Related codes
Error C0238 by Vehicle Brand
FAQ
What does the C0238 code mean?
C0238 is an OBD-II diagnostic trouble code that indicates: Wheel Speed Mismatch
What causes a C0238 error code?
The most common causes of C0238 include: Wheel Speed Sensor (WSS) malfunction; Damage to the sensor wiring harness; Different tire diameter or wear; Wheel bearing problems.
How do I fix a C0238 diagnostic trouble code?
To fix C0238: Check the condition of the tires (wear, pressure, diameter). Inspect the wheel speed sensors and their wiring harnesses. Check the sensor rings for contamination or damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0238?
Limited driving only, diagnose soon
How much does it cost to fix C0238?
The estimated repair cost for C0238 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat