AutoCodes – Toyota – C1449 2017 Toyota RAV4

C1449 2017 Toyota RAV4 Code - Master Cylinder Output Value Malfunction

Quick Answer

The Master Cylinder Pressure Sensor is connected to the Skid Control ECU (Brake Actuator Assembly). Common causes include Faulty Brake Actuator Assembly (Master Cylinder Pressure Sensor), Brake Actuator Assembly harness is open or shorted, Brake Actuator Assembly circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: C1449 2017 Toyota RAV4 indicates Master Cylinder Output Value Malfunction.
Common causes: Common causes include Faulty Brake Actuator Assembly (Master Cylinder Pressure Sensor), Brake Actuator Assembly harness is open or shorted, Brake Actuator Assembly circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 296

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 29, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1449 2017 Toyota RAV4 Description

The Master Cylinder Pressure Sensor is connected to the Skid Control ECU (Brake Actuator Assembly). The Skid Control ECU monitors the Master Cylinder Pressure Sensor. The Skid Control ECU sets the Diagnostic Trouble Code (DTC) when the Master Cylinder Pressure Sensor is not to factory specifications.

OBDII Code C1449 2017 Toyota RAV4 - Master Cylinder Output Value Malfunction - AutoCodes.com — C1449 2017 Toyota RAV4 Code - Master Cylinder Output Value Malfunction

What does this mean?

What are the Possible Causes of the DTC C1449 2017 Toyota RAV4?

Faulty Brake Actuator Assembly (Master Cylinder Pressure Sensor)
Brake Actuator Assembly harness is open or shorted
Brake Actuator Assembly circuit poor electrical connection

How to Fix the DTC C1449 2017 Toyota RAV4?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1449 2017 Toyota RAV4 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C1449 2017 Toyota RAV4 code?

Need more information on how to fix the C1449 2017 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1449 2017 Toyota RAV4 code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1449 2017 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C1449 in a 2017 Toyota RAV4?

- Common symptoms include a spongy brake pedal, illuminated brake warning light on the dashboard, and potential loss of brake performance.

2. What does the OBDII code C1449 indicate in a 2017 Toyota RAV4?

- The code C1449 indicates a Master Cylinder Output Value Malfunction in the brake system of the vehicle.

3. What are the possible causes of the C1449 code in a 2017 Toyota RAV4?

- The common causes of the C1449 code are a faulty brake master cylinder, issues with the brake fluid pressure sensor, or wiring/connectivity issues in the brake system.

4. How serious is the C1449 code in a 2017 Toyota RAV4?

- The C1449 code is a serious issue as it relates to the proper functioning of the brake system, which is a critical safety component of the vehicle.

5. Can I continue driving my 2017 Toyota RAV4 with the C1449 code?

- It is not recommended to drive the vehicle with the C1449 code as it can lead to brake failure and compromise driving safety.

6. How can I diagnose and repair the C1449 code in my 2017 Toyota RAV4?

- Diagnosis involves inspecting the brake master cylinder, brake fluid pressure sensor, and related wiring for any faults. Repair may involve replacing the faulty components and clearing the code.

7. Is it possible to reset the C1449 code in a 2017 Toyota RAV4 without fixing the issue?

- While you can clear the code using an OBDII scanner, it is crucial to address the underlying problem to ensure the safe operation of the vehicle.

8. Can a DIY enthusiast fix the C1449 code in a 2017 Toyota RAV4?

- While some experienced DIY enthusiasts may be able to diagnose and replace the faulty components causing the C1449 code, it is recommended to seek professional help due to the critical nature of the brake system.

9. How much does it cost to repair the C1449 code in a 2017 Toyota RAV4?

- The cost of repairing the C1449 code can vary depending on the exact cause of the issue, but it may involve part replacement and labor costs that could range from a few hundred to a thousand dollars.

10. How can I prevent the C1449 code from occurring in my 2017 Toyota RAV4?

- Regular maintenance of the brake system, including checking brake fluid levels, ensuring proper brake fluid quality, and addressing any brake-related issues promptly, can help prevent the occurrence of the C1449 code.