Wheel Speed Sensor Circuit Error
This code indicates an issue with the wheel speed sensor circuit.
Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.
What it means (plain English)
The wheel speed sensor tells the computer how fast each wheel is turning. If there's a problem with the sensor or its wiring, the computer can't get the right info, which can affect traction control and anti-lock brakes.
What the computer is actually seeing
The vehicle's computer expects to see a specific voltage or frequency from the wheel speed sensor, typically around 0.5V to 5V depending on speed. If it sees an open circuit or an out-of-range signal, it triggers this code.
What a healthy reading looks like
Voltage from the wheel speed sensor should be between 0.5V and 5V when the wheel is turning; if stationary, it may drop close to 0V.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 11. Inspect the wiring and connectors for the wheel speed sensor for any obvious damage or corrosion. If present, repair or replace as necessary. Proceed to step 2.
- 22. Measure the voltage at the wheel speed sensor connector with the ignition on (engine off). You should see between 0.5V and 5V. If there's no voltage, check for continuity in the wiring. If it has continuity, replace the wheel speed sensor. If voltage is present, proceed to step 3.
- 33. With the vehicle on a lift, spin the wheel slowly and check the voltage signal at the sensor. It should fluctuate; if not, replace the wheel speed sensor. If it fluctuates and wiring is good, the ABS module may be faulty.
Common causes
- Faulty wheel speed sensor
- Damaged wiring to the wheel speed sensor
- Corroded or loose connector
- Faulty ABS module
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It's generally not safe to drive if traction control or ABS is disabled due to this code, as it could affect control during slippery conditions.
Will this code come back after clearing?
If the underlying issue isn't fixed, yes, the code will return after clearing.
Why does this code often pair with others?
Codes related to the wheel speed sensor often indicate issues with the braking system and traction control, so they frequently trigger together.
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