Part and system guide
ABS Wheel Speed Sensors
ABS wheel speed sensors report wheel rotation speed to the ABS and stability control systems.
What it does
Help the vehicle detect wheel lockup, traction loss, and stability events.
Failure signs
- ABS light on
- Traction control light on
- ABS activates unexpectedly
- Speed signal faults
- Warning after hub or brake work
Maintenance notes
- Inspect wiring near the wheel hub.
- Check tone rings for damage where visible.
- Scan ABS codes with a tool that can read chassis systems.