What this code means

The right rear wheel speed sensor output is outside expected parameters for current speed.

Symptoms

• ABS light on
• Rear traction control malfunction
• Stability control light

Common causes

• Metallic debris on sensor
• Tone ring damage
• Sensor internal failure
• Axle bearing play

Diagnostic steps

1. Compare rear wheel speeds at constant speed
2. Clean sensor face and tone ring
3. Measure tone ring runout
4. Test sensor resistance and output
5. Check axle bearing

Repair notes

Clean or replace sensor. Inspect tone ring and axle bearing.

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