Sensor, wheel speed

The wheel speed sensor monitors each wheel's rotational speed and sends that data to the ABS, ESP and traction control modules — without a functioning sensor, modern active safety systems cannot operate correctly. PartStall stocks over 10,000 wheel speed sensors for passenger cars and light commercial vehicles.

• Vehicle compatibility: verify make, model, year, engine and axle (front or rear) — connector type, cable length and mounting method vary by model.
• Mounting position: front and rear axle sensors are often different; on some models the left and right sides also differ.
• Connector type and pin count: check the connector type and number of pins to ensure compatibility with the existing wiring harness.
• Manufacturer: OE or aftermarket supplier — reliability matters for ABS system performance.
• Kit contents: some sensors include mounting clips; others do not — confirm package contents before ordering.

How do I know if a wheel speed sensor has failed? Typical signs include an ABS or ESP warning light, unstable braking on slippery surfaces, or fault codes stored in the control module — the exact cause may require diagnosis with a diagnostic scanner.

Does a faulty wheel speed sensor affect normal braking? Standard braking may be retained, but ABS and related electronic safety systems may deactivate, reducing safety in critical situations.

What should be done after fitting a new sensor? After installation, fault codes and calibration should be checked in accordance with the specific vehicle.

PartStall delivers across Estonia. Contact us if you need help confirming the correct part for your vehicle.