Wheel Speed Sensor Signal Intermittent
This code indicates a problem with the wheel speed sensor signal.
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 vehicle's control module isn't getting a consistent signal from one of the wheel speed sensors, which tells it how fast each wheel is turning.
What the computer is actually seeing
The computer is looking for a voltage signal to fluctuate as the wheel turns, usually between 0.5 to 2.5 volts typically, and when it doesn’t see those changes consistently, it triggers this code.
What a healthy reading looks like
Voltage should vary between 0.5V and 2.5V under normal wheel rotation; loss of signal may show flat voltage or no signal.
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 at the wheel speed sensor for damage or corrosion. Decision: If wiring is damaged, repair it and retest. If not, go to step 2.
- 22. Measure the voltage at the wheel speed sensor connector while rotating the wheel. Expect 0.5V to 2.5V. Decision: If voltage is absent or flat, replace the sensor. If voltage is present, go to step 3.
- 33. Check the ABS module for fault codes. If other related codes are present, address those issues. Decision: If related codes are present, diagnose them. If not, consider replacing the ABS module.
Common causes
- Faulty wheel speed sensor
- Damaged wiring or connectors to the sensor
- Corrosion at electrical connectors
- Malfunctioning ABS module
Typical repair cost
$$$
Related codes
Frequently asked questions
Is it safe to drive with this code active?
It is not recommended as it may affect vehicle stability and braking performance. Fix it soon.
Will this code come back after clearing?
If the underlying issue is not resolved, it will likely return.
Why does this code pair with other ABS codes?
Intermittent wheel speed sensor signals can affect the entire ABS system, causing multiple related codes.
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