Chassis
generic / SAE
C0081
Wheel Speed Mismatch (Rear Axle)
Rear axle wheel speeds differ beyond the plausibility threshold. Wheel-speed signals feed ABS, ESC, traction control, transmission and odometer — a single dropped signal disables all of these safety functions until repaired.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number– / 81
Possible causes
- Tyre size mismatch high
- Sensor drift medium
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 0–400 €
- Estimated time: 0.3–2 h
- Component: wheel speed sensor rl
- Component: wheel speed sensor rr
- Component: tyres
Sources
References
sae:J2012