AutoCodes – Generic – C1327

C1327 Code - Brake Fluid Level Low

Quick Answer

The red brake warning indicator, located on the instrument cluster, illuminates at proving out when the brake fluid in the brake master cylinder reservoir is below an acceptable level, when the parking brake is engaged, or if Diagnostic Trouble Code (DTC)s are present. Common causes include Low brake fluid level, Faulty Brake Fluid Level Sensor, Brake Fluid Level Sensor harness is open or shorted. 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: C1327 indicates Brake Fluid Level Low.
Common causes: Common causes include Low brake fluid level, Faulty Brake Fluid Level Sensor, Brake Fluid Level Sensor harness is open or shorted.
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 2,161

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 22, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1327 Description

OBDII Code C1327 - Brake Fluid Level Low - AutoCodes.com — C1327 Code - Brake Fluid Level Low

What does this mean?

What are the Possible Causes of the DTC C1327?

Low brake fluid level
Faulty Brake Fluid Level Sensor
Brake Fluid Level Sensor harness is open or shorted
Brake Fluid Level Sensor circuit poor electrical connection

How to Fix the DTC C1327?

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 C1327 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 C1327 code?

Need more information on how to fix the C1327 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1327 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1327 Ford — Brake Fluid Level Low
C1327 Lincoln — Brake Fluid Level Low
C1327 Mercury — Brake Fluid Level Low

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 C1327 Code

1. What are the common symptoms of OBDII code C1327 (Brake Fluid Level Low)?

The common symptoms include the illumination of the brake warning light on the dashboard and a message indicating low brake fluid level.

2. What are the possible causes of OBDII code C1327?

The main cause of code C1327 is a low brake fluid level in the master cylinder reservoir. This can be due to a leak in the brake system or normal wear and tear.

3. How serious is OBDII code C1327?

Code C1327 should be taken seriously as it indicates a potential issue with the brake system, which is a critical component for vehicle safety. It is recommended to address this issue promptly.

4. Can I drive my vehicle with OBDII code C1327?

It is not recommended to drive the vehicle with code C1327 as low brake fluid can lead to brake system failure, resulting in unsafe driving conditions. It is best to address the issue before driving the vehicle.

5. How can I repair OBDII code C1327?

To repair code C1327, start by checking the brake fluid level in the master cylinder reservoir. If the level is low, top it up with the manufacturer-recommended brake fluid. Inspect the brake system for leaks and repair as needed.

6. Will resetting the OBDII code C1327 resolve the issue?

Resetting the code may temporarily turn off the warning light, but it will not solve the underlying problem of low brake fluid. It is important to address the root cause of the issue to ensure safe operation of the vehicle.

7. How often should I check my brake fluid level to prevent OBDII code C1327?

It is recommended to check the brake fluid level regularly as part of routine vehicle maintenance. Checking the fluid level every few months or during oil changes can help prevent issues like code C1327.

8. Can a DIY enthusiast fix OBDII code C1327 at home?

If you are familiar with basic automotive maintenance and have the necessary tools, you may be able to address code C1327 at home by topping up the brake fluid and inspecting for leaks. However, if you are unsure, it is best to consult a professional mechanic.

9. Are there any safety precautions I should take when dealing with OBDII code C1327?

When working on the brake system to address code C1327, always follow proper safety precautions. Use eye protection, work in a well-ventilated area, and be cautious when handling brake fluid, as it is corrosive.

10. Is it normal for the brake fluid level to decrease over time, causing OBDII code C1327?

While some decrease in brake fluid level over time is normal due to wear and tear, a sudden or significant drop in fluid level that triggers code C1327 is usually indicative of a problem like a leak in the brake system.