Chassis
generic / SAE
C0238
Speed Wheel-to-Wheel Mismatch
The ABS control module has detected an implausible speed difference between wheels that cannot be explained by cornering. This typically points to one suspect sensor, mismatched tyre sizes or a damaged tone ring.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number2 / 38
Possible causes
- Tyre sizes or wear levels do not match across axles high
- Tone ring missing teeth on one wheel medium
- Wheel speed sensor degraded low
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–600 €
- Estimated time: 0.5–3 h
- Component: wheel speed sensor
- Component: tone ring
- Component: tires
- Component: abs control module
Sources
References
sae:J2012