OBD Guide

C1449

Master Cylinder Output Value Malfunction

C1449 is an OBD-II diagnostic trouble code meaning: Master Cylinder Output Value Malfunction. Common causes: master cylinder sensor malfunction, open or shorted wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • The CHECK ENGINE lamp comes on.
  • Unstable operation of the brake system
  • Loss of braking efficiency

Causes

  • Master cylinder sensor malfunction
  • Open or shorted wiring harness
  • Mechanical capacity of the master cylinder
  • Problems with the brake system control unit

How to Fix

  1. IR diagnosis using OBD-II scanner
  2. Check the condition of the wiring harness
  3. Check the serviceability of the master cylinder sensor
  4. Check the mechanical condition of the master cylinder

Related codes

FAQ

What does the C1449 code mean?

C1449 is an OBD-II diagnostic trouble code that indicates: Master Cylinder Output Value Malfunction

What causes a C1449 error code?

The most common causes of C1449 include: Master cylinder sensor malfunction; Open or shorted wiring harness; Mechanical capacity of the master cylinder; Problems with the brake system control unit.

How do I fix a C1449 diagnostic trouble code?

To fix C1449: IR diagnosis using OBD-II scanner. Check the condition of the wiring harness. Check the serviceability of the master cylinder sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1449?

Limited driving only, diagnose soon

How much does it cost to fix C1449?

The estimated repair cost for C1449 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat