OBD Guide

C0300

Rear Propshaft Speed Sensor

C0300 is an OBD-II diagnostic trouble code meaning: Rear Propshaft Speed Sensor. Common causes: rear propeller shaft speed sensor malfunction, damage to wiring or connectors. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of the ABS system
  • Check Engine Light Is On
  • Loss of stabilization when moving

Causes

  • Rear propeller shaft speed sensor malfunction
  • Damage to wiring or connectors
  • Mechanical damage to the cardan shaft
  • Problems with driveshaft bearings

How to Fix

  1. Check the condition of the sensor and its connectors
  2. Check wiring integrity
  3. Replace sensor if necessary
  4. Check the mechanical condition of the propeller shaft and bearings

Related codes

Error C0300 by Vehicle Brand

FAQ

What does the C0300 code mean?

C0300 is an OBD-II diagnostic trouble code that indicates: Rear Propshaft Speed Sensor

What causes a C0300 error code?

The most common causes of C0300 include: Rear propeller shaft speed sensor malfunction; Damage to wiring or connectors; Mechanical damage to the cardan shaft; Problems with driveshaft bearings.

How do I fix a C0300 diagnostic trouble code?

To fix C0300: Check the condition of the sensor and its connectors. Check wiring integrity. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0300?

Limited driving only, diagnose soon

How much does it cost to fix C0300?

The estimated repair cost for C0300 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat