OBD Guide

C0049

Brake Fluid Level

Severity
🔴 High
Approx. repair cost
$6–56 (est.)

Symptoms

  • Brake light is on
  • Reduced braking performance
  • Brake fluid leaks under the car

Causes

  • Brake fluid leak
  • Brake pad wear
  • Malfunction of the brake fluid level sensor
  • Damage to the sensor wiring harness

How to Fix

  1. Check the brake fluid level
  2. Inspect the brake system for leaks
  3. Check the condition of the brake pads
  4. Test the liquid calcultor torus level sensor and its circuit
  5. Replace sensor or fix leak

Related codes

Error C0049 by Vehicle Brand