AutoCodes – Chevrolet – C1247 Chevrolet

C1247 Chevrolet Code - Brake Fluid Level Switch Grounded

Quick Answer

The brake fluid level switch monitors the level of brake fluid in the master cylinder. Common causes include Faulty Brake Fluid Level Switch, Brake Fluid Level Switch harness is open or shorted, Brake Fluid Level Switch circuit poor electrical connection. 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, Brake Fluid Level Switch harness is open or shorted, Brake Fluid Level Switch circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,105
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 29, 2020
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Code C1247 Chevrolet Description

The brake fluid level switch monitors the level of brake fluid in the master cylinder. When the Electronic Brake Control Module (EBCM) sees the brake fluid level switch input grounded, it sends a serial data message to the Instrument Panel Cluster (IPC) that tells the IPC that the brake fluid level is low. The IPC then turns ON the Red Brake indicator.
OBDII Code C1247 Chevrolet - Brake Fluid Level Switch Grounded - AutoCodes.com
C1247 Chevrolet Code - Brake Fluid Level Switch Grounded

What are the Possible Causes of the DTC C1247 Chevrolet?

  • Faulty Brake Fluid Level Switch
  • Brake Fluid Level Switch harness is open or shorted
  • Brake Fluid Level Switch circuit poor electrical connection

How to Fix the DTC C1247 Chevrolet?

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 C1247 Chevrolet 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 C1247 Chevrolet code?

Need more information on how to fix the C1247 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1247 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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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