Wheel Speed Sensor Signal Intermittent
Intermittent signal from the wheel speed sensor.
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What it means (plain English)
The computer isn't getting a steady signal from one of the wheel speed sensors, which affects traction control and ABS.
What the computer is actually seeing
The ABS/traction control module expects a consistent voltage signal from the wheel speed sensors, usually around 0-5 volts. When it detects erratic signals, it triggers the code.
What a healthy reading looks like
Normal wheel speed sensor output is between 0.5V to 3.5V when the wheel is turning; it should be a steady signal without dropouts.
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.
- 1Inspect the wheel speed sensor wiring for damage or frays.
- 2Check the connectors at the wheel speed sensor for corrosion or loose connections.
- 3Verify sensor output with a multimeter while the vehicle is moving; expect steady values around 0.5V to 3.5V.
- 4If the signal is erratic, replace the wheel speed sensor; if it’s steady, check other sensors on the same circuit.
- 5Clear the code and road-test the vehicle to see if it comes back.
Common causes
- Bad wheel speed sensor
- Damaged or frayed wiring
- Corroded connectors
- Non-standard tire sizes causing inconsistencies
- Faulty ABS control module
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It's generally safe to drive, but traction control and ABS may be disabled, affecting stopping distances.
Will this code come back after resetting?
It can return if the underlying issue with the wheel speed sensor or wiring isn’t fixed.
Why does this code appear with other codes?
It often occurs with other ABS or traction control related codes due to shared wiring or system design.
Working a real vehicle right now?
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