Engine-CodesGeneric – C1247

C1247 Code - Brake Fluid Level Switch Grounded

Quick Answer

The diagnostic code C1247 indicates that the brake fluid level switch is grounded. Common causes include Faulty brake fluid level switch, Wiring or connection issues leading to a grounding problem, Corrosion or damage to the brake fluid level switch. 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
C1247 indicates Brake Fluid Level Switch Grounded.
Common causes
Common causes include Faulty brake fluid level switch, Wiring or connection issues leading to a grounding problem, Corrosion or damage to the brake fluid level switch.
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.
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code C1247 Description

The diagnostic code C1247 indicates that the brake fluid level switch is grounded. This means that the brake fluid level switch, which is responsible for monitoring the brake fluid level in the vehicle's brake system, is indicating a constant low level of brake fluid due to a grounding issue. This can be a critical problem as the brake fluid level is crucial for the proper functioning of the braking system. If the brake fluid level is not accurately monitored, it can lead to potential safety hazards such as reduced braking performance or brake failure.

OBDII Code C1247 - Brake Fluid Level Switch Grounded
C1247 Code - Brake Fluid Level Switch Grounded

Common Causes of C1247

  1. Faulty brake fluid level switch
  2. Wiring or connection issues leading to a grounding problem
  3. Corrosion or damage to the brake fluid level switch
  4. Electrical issues in the brake system
  5. Water or contaminants in the brake fluid causing a short circuit

Symptoms of C1247

  1. Illumination of the brake warning light on the dashboard
  2. Inaccurate or constant low brake fluid level warning
  3. Spongy or soft brake pedal feel
  4. Increased stopping distance
  5. Brake system failure or malfunction

How to Fix C1247

  1. Begin by locating the brake fluid level switch in the brake fluid reservoir.
  2. Inspect the wiring and connections for any signs of damage or corrosion. Repair or replace as necessary.
  3. Test the brake fluid level switch to determine if it is functioning properly. Replace the switch if it is faulty.
  4. Clear the diagnostic trouble code from the vehicle's computer using a diagnostic scanner.
  5. Refill the brake fluid reservoir to the correct level and verify that the warning light no longer illuminates.

Cost to Fix C1247

The typical repair costs for addressing a brake fluid level switch grounded issue can range from $100 to $300, including parts and labor. However, actual costs may vary depending on the vehicle's make and model, the location of the repair shop, and the extent of the issue. It's recommended to consult with a professional mechanic to receive an accurate estimate for the specific repair needed.

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Code C1247 Information for Specific Makes

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 C1247 Code

1. What does OBDII code C1247 mean?

C1247 indicates that the brake fluid level switch is grounded, often due to a low brake fluid level or an electrical issue in the brake fluid level sensor circuit.

2. What are the common symptoms of code C1247?

Common symptoms include the brake warning light illuminating on the dashboard and, in some cases, reduced braking performance.

3. What causes the C1247 code to appear?

The primary causes include low brake fluid, a faulty brake fluid level sensor, damaged wiring, or a poor ground connection within the sensor circuit.

4. Can driving with code C1247 be dangerous?

Yes, it can be dangerous because the code may indicate low brake fluid, which could compromise braking performance and increase the risk of an accident.

5. How do I diagnose the C1247 code?

Start by checking the brake fluid level and inspect the brake fluid level sensor, wiring, and connectors for damage or corrosion. Use a multimeter to test the sensor's ground connection if necessary.

6. How can I fix the C1247 code?

Refill the brake fluid to the proper level if it's low. If the issue persists, repair or replace damaged wiring, connectors, or the brake fluid level sensor itself.

7. Can low brake fluid trigger the C1247 code?

Yes, low brake fluid is one of the most common reasons for this code, as it can cause the brake fluid level switch to remain grounded.

8. How much does it cost to repair code C1247?

The cost depends on the exact issue. Refilling brake fluid costs around $10-$30, while replacing a brake fluid level sensor can cost $100-$200, including labor.

9. Will clearing the C1247 code fix the problem?

Clearing the code will only temporarily remove it. The underlying issue, such as low brake fluid or a faulty sensor, must be resolved to prevent the code from returning.

10. Can a faulty brake fluid level sensor cause other issues?

Yes, a faulty sensor may cause the brake warning light to stay on, making it harder to identify other potential braking system issues.

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