P215A
Vehicle Speed - Wheel Speed Correlation
The vehicle speed signal computed from VSS does not match the wheel-speed signal from ABS within tolerance. One of the two sources is wrong, or there is a tyre-size mismatch.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Tyre size mismatch versus calibrationCommon
- One sensor drifts or failsPossible
Parts involved
- Vehicle Speed Sensor
- Wheel Speed Sensor
P215A is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.