Engine-CodesChevrolet – C1247 Chevrolet

C1247 Chevrolet Code - Brake Fluid Level Switch Grounded

Quick Answer

The C1247 Chevrolet code indicates that the brake fluid level switch in the vehicle is grounded. Common causes include Faulty brake fluid level switch, Corrosion or damage to the wiring connected to the switch, Poor electrical connection at the 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 Chevrolet indicates Brake Fluid Level Switch Grounded.
Common causes
Common causes include Faulty brake fluid level switch, Corrosion or damage to the wiring connected to the switch, Poor electrical connection at the 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 10, 2024
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Code C1247 Chevrolet Description

The C1247 Chevrolet code indicates that the brake fluid level switch in the vehicle is grounded. The brake fluid level switch is a critical component of the braking system that monitors the level of brake fluid in the reservoir. When the switch detects that the brake fluid level is low, it sends a signal to the vehicle's onboard computer to alert the driver through a warning light on the dashboard. However, in the case of this code, the switch is indicating a grounded condition, which means that it is continuously sending a signal that the brake fluid level is low, even if it is not. This can lead to false warnings being displayed on the dashboard, potentially causing confusion or alarm for the driver.

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

Common Causes of C1247 Chevrolet

  1. Faulty brake fluid level switch
  2. Corrosion or damage to the wiring connected to the switch
  3. Poor electrical connection at the switch
  4. Issues with the brake fluid reservoir itself, such as contamination or debris affecting the switch

Symptoms of C1247 Chevrolet

  1. Illumination of the brake warning light on the dashboard
  2. Constant or intermittent low brake fluid warning message
  3. Inaccurate or inconsistent brake fluid level readings
  4. Loss of brake fluid with no visible leaks
  5. Inconsistent brake pedal feel or response

How to Fix C1247 Chevrolet

  1. Begin by visually inspecting the brake fluid level switch and its wiring for any signs of damage, corrosion, or loose connections.
  2. Test the brake fluid level switch using a multimeter to determine if it is functioning correctly.
  3. If the switch is found to be faulty, replace it with a new one following the manufacturer's recommended procedures.
  4. Clear the diagnostic trouble codes from the vehicle's onboard computer using a scan tool.
  5. Test drive the vehicle to ensure that the brake warning light no longer illuminates and that the brake fluid level warning functions correctly.

Cost to Fix C1247 Chevrolet

The cost of repairing a grounded brake fluid level switch can vary depending on the make and model of the vehicle, as well as the specific cause of the issue. In general, the cost of a new brake fluid level switch can range from $50 to $150, with labor costs typically adding another $100 to $200. This brings the total repair cost to approximately $150 to $350. However, it is important to note that these are rough estimates, and actual costs may vary based on the factors mentioned above. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.

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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 Chevrolet Code

1. What are the common symptoms of OBDII code C1247 in a Chevrolet related to the Brake Fluid Level Switch Grounded issue?

The common symptoms include the brake warning light staying illuminated on the dashboard, inaccurate brake fluid level readings, and potential issues with the vehicle's braking system.

2. What does it mean when the brake fluid level switch is grounded in a Chevrolet triggering code C1247?

When the brake fluid level switch is grounded, it indicates an electrical issue where the switch is continually sending a signal that the brake fluid level is low, even if it is not, leading to the code C1247 being triggered.

3. What are the possible causes of the Brake Fluid Level Switch Grounded issue in a Chevrolet triggering code C1247?

Common causes include a faulty brake fluid level switch, wiring issues such as shorts or breaks in the circuit, or a problem with the vehicle's electronic control unit (ECU).

4. How can I diagnose the Brake Fluid Level Switch Grounded issue causing OBDII code C1247 in my Chevrolet?

Diagnosing the problem involves checking the brake fluid level, inspecting the wiring and connections to the brake fluid level switch, and using a multimeter to test for continuity and proper voltage.

5. Is it safe to continue driving my Chevrolet with OBDII code C1247 related to the Brake Fluid Level Switch Grounded problem?

It is not recommended to drive the vehicle when this code is present, as it could lead to inaccurate brake fluid level readings and potential safety issues with the braking system.

6. Can I reset the OBDII code C1247 in my Chevrolet related to the Brake Fluid Level Switch Grounded issue by simply clearing the code?

Clearing the code may temporarily remove the warning light, but unless the underlying issue with the brake fluid level switch is addressed, the code is likely to reappear.

7. How can I repair the Brake Fluid Level Switch Grounded issue causing OBDII code C1247 in my Chevrolet?

Repairing the issue may involve replacing the brake fluid level switch, repairing any damaged wiring, or addressing any ECU issues. It is recommended to consult a professional mechanic for proper diagnosis and repair.

8. Are there any DIY tips for troubleshooting the Brake Fluid Level Switch Grounded issue in my Chevrolet before seeking professional help?

You can start by visually inspecting the brake fluid level switch and its wiring for any visible damage, checking the brake fluid level, and ensuring the connections are secure before considering more advanced diagnostics.

9. Will fixing the Brake Fluid Level Switch Grounded issue causing code C1247 in my Chevrolet require specialized tools or equipment?

While basic tools like a multimeter and possibly a scan tool may be needed for diagnostics, the repair itself typically does not require specialized equipment and can be done with standard hand tools.

10. How important is it to address the Brake Fluid Level Switch Grounded issue causing OBDII code C1247 promptly in my Chevrolet?

It is crucial to address this issue promptly to ensure the accuracy of the brake fluid level readings and the proper functioning of the braking system, as driving with a faulty brake fluid level switch can pose safety risks.

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