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Engine-Codes – Generic – C1471

C1471 Code - Brake System Volume Consumption Plausibility Failure

Quick Answer

The C1471 diagnostic trouble code (DTC) refers to a Brake System Volume Consumption Plausibility Failure. Common causes include Low brake fluid level due to a leak or improper maintenance, Worn brake pads or rotors requiring replacement, Faulty brake calipers not functioning properly. 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
C1471 indicates Brake System Volume Consumption Plausibility Failure.
Common causes
Common causes include Low brake fluid level due to a leak or improper maintenance, Worn brake pads or rotors requiring replacement, Faulty brake calipers not functioning properly.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code C1471 Description

The C1471 diagnostic trouble code (DTC) refers to a Brake System Volume Consumption Plausibility Failure. This code indicates that there is an issue with the brake system's volume consumption, meaning that the vehicle's brake system may not be operating optimally or efficiently. The brake system is a crucial component of any vehicle, responsible for slowing down and stopping the vehicle safely. When this code is triggered, it can have a significant impact on the vehicle's performance and safety.

OBDII Code C1471 - Brake System Volume Consumption Plausibility Failure
C1471 Code - Brake System Volume Consumption Plausibility Failure

Common Causes of C1471

  1. Low brake fluid level due to a leak or improper maintenance
  2. Worn brake pads or rotors requiring replacement
  3. Faulty brake calipers not functioning properly
  4. Air in the brake lines causing brake system inefficiency
  5. Malfunctioning ABS system affecting brake performance

Symptoms of C1471

  1. Illumination of the brake warning light on the dashboard
  2. Decreased brake performance or increased stopping distances
  3. Spongy or soft brake pedal feel
  4. Unusual noises such as squeaking or grinding when braking
  5. Leaking brake fluid or visible damage to brake components

How to Fix C1471

  1. Begin by inspecting the brake system components, including brake fluid level, brake pads, rotors, calipers, and brake lines.
  2. Check for any leaks in the brake system and repair or replace any damaged components.
  3. Bleed the brake system to remove any air bubbles that may be affecting brake performance.
  4. Test the vehicle's brakes to ensure they are functioning properly and address any remaining issues.
  5. Clear the DTC from the vehicle's onboard computer to reset the brake system volume consumption plausibility failure code.

Cost to Fix C1471

The cost of repairing a Brake System Volume Consumption Plausibility Failure can vary depending on the specific issue causing the code, the make and model of the vehicle, and labor rates in your area. Generally, the repair costs for this issue can range from $200 to $800, including parts and labor. It's important to factor in additional costs for diagnostic time, any necessary replacement parts, and potential labor fees. Be sure to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your vehicle's specific needs.

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Code C1471 Information for Specific Makes

  • C1471 Ford — Brake System Volume Consumption Plausibility Failure
  • C1471 Lincoln — Brake System Volume Consumption Plausibility Failure
  • C1471 Mercury — Brake System Volume Consumption Plausibility Failure
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 C1471 Code

1. What are the common symptoms of OBDII code C1471 (Brake System Volume Consumption Plausibility Failure)?

The common symptoms include illuminated brake warning lights on the dashboard, reduced brake performance, and abnormal brake pedal feel.

2. What can cause the OBDII code C1471 to trigger?

The code C1471 can be triggered by issues such as low brake fluid level, brake fluid leaks, faulty brake master cylinder, or sensor malfunctions in the brake system.

3. How serious is the OBDII code C1471 (Brake System Volume Consumption Plausibility Failure)?

This code indicates a potential issue with the brake system's volume consumption, which can compromise the effectiveness of the brakes. It is important to address this problem promptly to ensure safe driving.

4. Can I continue driving with the OBDII code C1471 active?

It is not recommended to continue driving with the code C1471 active, as it may lead to brake system malfunctions and compromise your safety on the road. It is advisable to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose the OBDII code C1471?

Diagnosing the code C1471 typically involves inspecting the brake fluid level, checking for leaks in the brake system, and testing the brake master cylinder and related sensors for proper functionality.

6. What are some repair tips for addressing the OBDII code C1471?

Repair tips may include topping up the brake fluid, repairing any leaks in the brake system, replacing a faulty brake master cylinder, or addressing sensor issues in the brake system.

7. Can I reset the OBDII code C1471 without addressing the underlying issue?

Resetting the code without addressing the underlying issue will only temporarily clear the warning light. It is essential to diagnose and fix the root cause of the problem to prevent the code from reoccurring.

8. How much does it typically cost to repair the OBDII code C1471?

The cost of repairing the code C1471 can vary depending on the underlying issue, the extent of the repairs needed, and the labor rates of the repair shop. It is recommended to obtain quotes from different shops for an accurate estimate.

9. Is the OBDII code C1471 a common issue in certain vehicle makes or models?

The code C1471 can be more common in certain vehicle makes or models that are prone to brake system issues. It is advisable to check for any manufacturer recalls or technical service bulletins related to this code for specific vehicles.

10. How can regular brake system maintenance help prevent the occurrence of the OBDII code C1471?

Regular brake system maintenance, including checking brake fluid levels, inspecting for leaks, and replacing worn brake components, can help prevent issues like the OBDII code C1471 by ensuring the proper functioning of the brake system.

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