Right Rear Abs Wheel Speed Sensor Circuit Malfunction
There’s a fault with the right rear wheel speed sensor circuit.
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What it means (plain English)
The right rear wheel speed sensor isn't sending the correct signal to the ABS system, which could cause braking issues.
What the computer is actually seeing
The ABS module monitors the voltage signal from the right rear wheel speed sensor, expecting a consistent signal variation with wheel speed changes, typically 0 to 5 volts.
What a healthy reading looks like
During normal operation, you should see a voltage signal from the wheel speed sensor oscillating between 0.5V to 4.5V as the wheel spins.
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 wiring and connectors specific to the right rear wheel speed sensor for any visible damage or corrosion. If found, repair as needed.
- 2Check the right rear wheel speed sensor output voltage using a multimeter while spinning the wheel. Expect a signal fluctuations between 0.5V and 4.5V.
- 3If the voltage signal is outside this range, replace the right rear wheel speed sensor.
- 4If the sensor checks out, inspect the ABS module connections for corrosion or damage and verify with the vehicle's wiring diagram that there are no breaks or shorts in the circuit.
Common causes
- Damaged or corroded wiring in the right rear wheel speed sensor circuit
- Faulty right rear wheel speed sensor
- Poor connection at the sensor or ABS module
- Mechanical issues such as a stuck wheel bearing affecting the sensor readings
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It is recommended to address this code soon as it affects the ABS system, but you may be able to drive cautiously without engaging ABS braking.
Will this code come back after clearing it?
If the underlying issue isn't fixed, such as a faulty sensor or wiring, the code will likely return after clearing.
Why does this code show up with other wheel speed sensor codes?
They may be related to similar faults in the wheel speed sensor circuit or issues with the ABS module affecting multiple sensors.
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