Wheel Speed Sensor Circuit Malfunction
Problem 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)
Your vehicle's computer is saying there's a fault in the system that measures how fast each wheel is turning, which helps with things like ABS and traction control.
What the computer is actually seeing
The computer monitors signals from the wheel speed sensor, which should send a voltage signal that correlates with wheel speed. If it doesn't detect this signal, or it’s outside the expected range, a code will set.
What a healthy reading looks like
Normal wheel speed sensor voltage should be around 0.5 to 2.5 volts when the wheel is stationary, increasing to 4-5 volts as wheel speed increases.
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 wheel speed sensor wiring and connectors for damage or corrosion. Decision: If damaged, repair or replace.
- 22. Measure the voltage at the wheel speed sensor connector while the vehicle is stationary. Expected: 0.5 - 2.5 volts. Decision: If not within range, continue to Step 3. If within range, the sensor may be faulty.
- 33. Test the ohms of the wheel speed sensor. Expected: Typically between 1000 and 2000 ohms. Decision: If outside this range, replace the sensor. If within range, investigate the ABS module.
Common causes
- Faulty wheel speed sensor
- Damaged wiring or connectors
- Corrosion at sensor connection
- Faulty ABS control module
- Incorrect installation of the sensor
Typical repair cost
$$
Related codes
Frequently asked questions
Can I drive my vehicle with this code?
Yes, but be cautious, as you may lose ABS and traction control features, which can affect safety in slippery conditions.
Will this code come back after clearing?
It may return if the underlying issue isn't resolved, like a faulty sensor or wiring problem.
Why does this code pair with other codes?
It's common for multiple wheel speed sensor codes to set if there’s a systemic issue with the sensor circuit or ABS system.
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