AutoCodes – Generic – C1441

C1441 Code - Performance Decline Of Brake Function

Quick Answer

The Skid Control ECU monitors the Brake Pedal Load Sensing Switch and Master Cylinder Pressure Sensor. Common causes include Faulty Brake Pedal Load Sensing Switch, Faulty Brake Booster Assembly, Faulty Skid Control ECU. 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: C1441 indicates Performance Decline Of Brake Function.
Common causes: Common causes include Faulty Brake Pedal Load Sensing Switch, Faulty Brake Booster Assembly, Faulty Skid Control ECU.
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 24,922

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 Oct 01, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1441 Description

The Skid Control ECU monitors the Brake Pedal Load Sensing Switch and Master Cylinder Pressure Sensor. The Skid Control ECU judges brake failure conditions have occurred based on signals from the Brake Pedal Load Sensing Switch and Master Cylinder Pressure Sensor.

OBDII Code C1441 - Performance Decline Of Brake Function - AutoCodes.com — C1441 Code - Performance Decline Of Brake Function

What does this mean?

What are the Possible Causes of the DTC C1441?

Faulty Brake Pedal Load Sensing Switch
Faulty Brake Booster Assembly
Faulty Skid Control ECU

How to Fix the DTC C1441?

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 C1441 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 C1441 code?

Need more information on how to fix the C1441 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1441 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1441 Lexus — Performance Decline Of Brake Function
C1441 Scion — Performance Decline Of Brake Function
C1441 Toyota — Performance Decline Of Brake Function

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 C1441 Code

1. What are the common symptoms of OBDII code C1441 related to the performance decline of brake function?

- Common symptoms include soft brake pedal feel, reduced braking power, longer stopping distances, and potential loss of brake fluid.

2. What are the main causes of OBDII code C1441 indicating a decline in brake performance?

- The code C1441 is typically triggered by issues with the brake booster sensor, brake booster vacuum leak, faulty brake booster, or problems with the brake pedal position sensor.

3. How can I diagnose the cause of OBDII code C1441 leading to decreased brake function?

- Diagnosis involves checking the brake booster sensor and pedal position sensor for proper operation, inspecting the vacuum system for leaks, and ensuring the brake booster is functioning correctly.

4. Is it safe to drive my vehicle with OBDII code C1441 related to a decline in brake performance?

- It is not recommended to drive the vehicle with this code as it can compromise brake function and safety. Immediate attention and repair are necessary.

5. What are some repair tips for resolving OBDII code C1441 associated with decreased brake function?

- Repair tips may include replacing the brake booster sensor, fixing any vacuum leaks, replacing the brake booster if necessary, and recalibrating the brake pedal position sensor.

6. Can OBDII code C1441 be reset to temporarily clear the performance decline of brake function issue?

- Resetting the code may temporarily clear the warning, but it will not fix the underlying issue causing the decline in brake function. Professional repair is required.

7. How critical is it to address OBDII code C1441 concerning the decrease in brake performance promptly?

- It is crucial to address this code promptly as brake issues can compromise vehicle safety and lead to dangerous driving conditions. Immediate repair is recommended.

8. What are the potential risks of ignoring OBDII code C1441 indicating a decline in brake function?

- Ignoring this code can result in brake failure, reduced braking efficiency, longer stopping distances, and increased risk of accidents or collisions.

9. Are there any preventive maintenance measures to help avoid OBDII code C1441 and maintain optimal brake performance?

- Regular brake system inspections, timely replacement of brake components, and addressing any warning signs promptly can help prevent issues leading to code C1441.

10. How much can I expect to pay for repairing OBDII code C1441 related to a decrease in brake function?

- The cost of repair for OBDII code C1441 can vary depending on the specific cause and the labor rates in your area. It's advisable to consult a professional mechanic for an accurate estimate.