Chassis
generic / SAE
C0234
Wheel Speed Sensor Frequency Error
The ABS control module has detected that one of the wheel speed sensor signals has a frequency outside the plausible range, e.g. unrealistically high pulses or signal dropouts at speed. Stability control may be limited.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number2 / 34
Possible causes
- Tone ring damaged, missing teeth, or contaminated high
- Sensor air gap incorrect (loose mounting) 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: 80–400 €
- Estimated time: 0.5–2.5 h
- Component: wheel speed sensor
- Component: tone ring
- Component: abs control module
Sources
References
sae:J2012