C0238

Wheel Speed Mismatch

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

C0035 C0040 C0110