OBD Guide

C065F

Left Rear Wheel Speed Sensor B Circuit/Open

C065F is an OBD-II diagnostic trouble code meaning: Left Rear Wheel Speed Sensor B Circuit/Open. Common causes: broken or damaged wiring harness, poor contact in the sensor connector. Estimated repair cost: $56–167.

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

Symptoms

  • ABS/ESP light comes on
  • Incorrect operation of the ABS system
  • Unstable vehicle movement when braking

Causes

  • Broken or damaged wiring harness
  • Poor contact in the sensor connector
  • Wheel speed sensor malfunction
  • Problems with the ABS module

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Measure the resistance of the wheel speed sensor
  3. Check the sensor signal with an oscilloscope
  4. Replace sensor or repair wiring harness if necessary

Related codes

Error C065F by Vehicle Brand

FAQ

What does the C065F code mean?

C065F is an OBD-II diagnostic trouble code that indicates: Left Rear Wheel Speed Sensor B Circuit/Open

What causes a C065F error code?

The most common causes of C065F include: Broken or damaged wiring harness; Poor contact in the sensor connector; Wheel speed sensor malfunction; Problems with the ABS module.

How do I fix a C065F diagnostic trouble code?

To fix C065F: Check the integrity of the wiring harness and connectors. Measure the resistance of the wheel speed sensor. Check the sensor signal with an oscilloscope. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C065F?

Limited driving only, diagnose soon

How much does it cost to fix C065F?

The estimated repair cost for C065F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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