OBD Guide

C0511

Left Rear Wheel Speed Sensor A Correlation

C0511 is an OBD-II diagnostic trouble code meaning: Left Rear Wheel Speed Sensor A Correlation. Common causes: wheel speed sensor is dirty or damaged, damage to the sensor wiring harness. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • ABS/ESP lamp activation
  • Loss of ABS/ESP functions
  • Unstable operation of the stabilization system

Causes

  • Wheel speed sensor is dirty or damaged
  • Damage to the sensor wiring harness
  • ABS/ESP module malfunction
  • Mechanical damage to the wheel bearing or sensor rotor

How to Fix

  1. Visual inspection of the sensor and wiring harness
  2. Checking the resistance and continuity of the sensor circuit
  3. Cleaning the sensor from dirt
  4. Checking the condition of the wheel bearing
  5. Replace the sensor or repair the wiring harness if necessary

Related codes

Error C0511 by Vehicle Brand

FAQ

What does the C0511 code mean?

C0511 is an OBD-II diagnostic trouble code that indicates: Left Rear Wheel Speed Sensor A Correlation

What causes a C0511 error code?

The most common causes of C0511 include: Wheel speed sensor is dirty or damaged; Damage to the sensor wiring harness; ABS/ESP module malfunction; Mechanical damage to the wheel bearing or sensor rotor.

How do I fix a C0511 diagnostic trouble code?

To fix C0511: Visual inspection of the sensor and wiring harness. Checking the resistance and continuity of the sensor circuit. Cleaning the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0511?

Limited driving only, diagnose soon

How much does it cost to fix C0511?

The estimated repair cost for C0511 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat