C0055Medium urgency

Rear Wheel Speed Sensor Circuit

Chassis · ABS/Traction Control

⚠️ ABS and stability control are compromised. Service within a few days.
What this means

A rear wheel speed sensor circuit fault — the ABS module cannot read one or both rear wheel speeds correctly.

Likely causes
  • Failed rear wheel speed sensorMost common
  • Tone ring damage on rear axleCommon
  • Wiring damage from road exposureCommon
Estimated repair cost
Rear wheel speed sensor$50 – $200
Rear axle bearing (if tone ring integrated)$200 – $600
Wiring repair$80 – $250
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Frequently asked questions about C0055

What does C0055 mean?

A rear wheel speed sensor circuit fault — the ABS module cannot read one or both rear wheel speeds correctly.

Is C0055 serious?

ABS and stability control are compromised. Service within a few days.

How much does it cost to fix C0055?

Repair costs for C0055 range from $50 – $200 depending on the root cause and your vehicle.

Can I drive with C0055?

You can drive short distances but should have it repaired within 1–2 weeks to prevent further damage.

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