WHEEL SENSOR INPUT SIGNAL ERRORS
The system detects an issue with one of the wheel speed sensors.
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 computer is not getting the correct speed data from one or more of the wheel sensors, which is important for things like anti-lock brakes and traction control.
What the computer is actually seeing
A significant discrepancy in the voltage signal from the wheel speed sensors, which should normally be near 0-12 volts depending on speed, with a typical reading of approximately 0.5 volts at a standstill and around 4-8 volts while driving.
What a healthy reading looks like
Wheel speed sensor should output a signal between 0.5V at rest and 4-8V at 25 MPH.
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. Check the wheel speed sensor wiring for physical damage or corrosion. If damaged, repair or replace the wiring.
- 22. Inspect the connector at the wheel speed sensor for dirt or corrosion. Clean or reseat the connector if necessary.
- 33. Measure the voltage output of the wheel speed sensor while the vehicle is in motion. Expected values are 4-8 volts. If out of range, consider replacing the wheel speed sensor.
- 44. Inspect the ABS module for faults if the sensor checks out. Use a scan tool to see if any related DTCs are present. If there are, address those issues.
Common causes
- Damaged or corroded wiring at the wheel speed sensor
- Faulty wheel speed sensor
- Poor connector contact
- Faulty ABS module
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code present?
It's moderate severity; the vehicle may lose traction control or ABS functionality, best to fix soon.
Will the code come back after erasing it?
If the problem isn't fixed, yes, it will return.
Why does it seem linked to other codes about ABS?
This code is directly related to the ABS system's requirement for accurate wheel speed data.
Working a real vehicle right now?
Let DiagCoach walk you through it live with your specific symptoms, vehicle, and what you've already checked.
Start guided diagnostic →