Rear Wheel Speed Sensor Circuit Malfunction
There’s a problem with the rear 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 rear wheel speed sensor measures how fast the wheel is spinning. If it fails, the system can’t calculate your speed or traction.
What the computer is actually seeing
The computer monitors the voltage signal from the rear wheel speed sensor. It expects to see varying voltage changes as the wheel turns. A constant voltage or no signal indicates a problem.
What a healthy reading looks like
The sensor should output between 0.5V to 2.0V when spinning, and the signal should vary with speed.
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.
- 1Check the current wiring and connector for visible damage or corrosion.
- 2Test the rear wheel speed sensor with a multimeter; should see resistance around 1kΩ when stationary.
- 3Inspect the sensor output while the vehicle moves; voltage should change between 0.5V and 2.0V.
- 4If wiring and sensor check out, use a scan tool to check for ABS module faults.
- 5Clear codes and drive the vehicle for a test to see if the code returns.
Common causes
- Damaged wiring or connector to the rear wheel speed sensor
- Faulty rear wheel speed sensor
- Corrosion or moisture in sensor connector
- Issues with the ABS module
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It’s best to not drive the vehicle extensively until fixed, as it affects traction control and ABS performance.
Will this problem come back after clearing the code?
If the underlying issue isn’t resolved, the code will likely return after some driving.
Why are there multiple related codes?
They often point to issues in different wheel speed sensors or related circuits, indicating a common fault.
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 →