Chassis
generic / SAE
C0078
Tire Diameter
Detected wheel speed implies tire diameter outside expected range — typically wrong tire size or mismatched tires.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number– / 78
Possible causes
- Wrong tire size or mismatch high
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: 0–800 €
- Estimated time: 0.5–2 h
- Component: tires
- MIL / check engine light
- drive cycle required
Sources
References
sae:J2012