OBD Guide

C0050

Right Rear Wheel Speed Sensor

C0050 is an OBD-II diagnostic trouble code meaning: Right Rear Wheel Speed Sensor. Common causes: broken or damaged sensor wires, wheel speed sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • ABS/ESP indicator is on
  • Disabling the ABS/ESP system
  • Incorrect operation of cruise control
  • Floating speedometer readings (on some models)

Causes

  • Broken or damaged sensor wires
  • Wheel speed sensor malfunction
  • Sensor dirty or corroded
  • Mechanical damage to the sensor
  • ABS control unit malfunction

How to Fix

  1. Visually check the integrity of the sensor wires and connectors
  2. Check the sensor resistance (the nominal value depends on the model)
  3. Clean the sensor from dirt
  4. Check the gap between the sensor and the impulse ring
  5. If necessary, replace the sensor or repair the wiring harness

Related codes

Error C0050 by Vehicle Brand

FAQ

What does the C0050 code mean?

C0050 is an OBD-II diagnostic trouble code that indicates: Right Rear Wheel Speed Sensor

What causes a C0050 error code?

The most common causes of C0050 include: Broken or damaged sensor wires; Wheel speed sensor malfunction; Sensor dirty or corroded; Mechanical damage to the sensor.

How do I fix a C0050 diagnostic trouble code?

To fix C0050: Visually check the integrity of the sensor wires and connectors. Check the sensor resistance (the nominal value depends on the model). Clean the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0050?

Limited driving only, diagnose soon

How much does it cost to fix C0050?

The estimated repair cost for C0050 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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