AutoCodes – Cadillac – C1247 Cadillac

C1247 Cadillac 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 Cadillac 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 878
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 Cadillac 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 Cadillac - Brake Fluid Level Switch Grounded - AutoCodes.com
C1247 Cadillac Code - Brake Fluid Level Switch Grounded

What are the Possible Causes of the DTC C1247 Cadillac?

  • 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 Cadillac?

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 Cadillac 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.

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Need Help with the Code?

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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 Cadillac Code

1. What are the common symptoms of OBDII code C1247 in a Cadillac related to the brake fluid level switch being grounded?

The common symptoms include the illumination of the brake warning light on the dashboard, potential loss of brake fluid, and possible issues with the brake system's operation.

2. What causes the brake fluid level switch to become grounded and trigger code C1247 in a Cadillac?

The most common cause is a malfunction in the brake fluid level switch itself, leading to it being stuck in the grounded position. This can be due to wear and tear, corrosion, or electrical faults.

3. How can I diagnose the brake fluid level switch issue triggering code C1247 in my Cadillac?

You can start by visually inspecting the brake fluid level switch for any signs of damage or corrosion. Using a multimeter, test for continuity to determine if the switch is indeed grounded when it shouldn't be.

4. Can I continue driving my Cadillac with OBDII code C1247 related to the brake fluid level switch being grounded?

It is not recommended to drive your Cadillac with this issue as it can affect the proper functioning of the brake system and compromise overall safety. It is best to address the problem promptly.

5. Is it possible to reset OBDII code C1247 in a Cadillac without fixing the brake fluid level switch issue?

Resetting the code without addressing the underlying problem will likely result in the code reappearing once the issue is detected again during system checks. It is crucial to fix the root cause.

6. How can I repair the brake fluid level switch issue triggering code C1247 in my Cadillac?

Depending on the diagnosis, the repair may involve replacing the brake fluid level switch, cleaning electrical connections, or addressing any underlying wiring issues causing the switch to ground unintentionally.

7. Can a DIY enthusiast fix OBDII code C1247 in a Cadillac, or is it best left to professionals?

While some basic diagnostic steps can be performed by a DIY enthusiast, fixing the issue related to the brake fluid level switch may require specific tools and expertise. It is recommended to consult a professional mechanic.

8. Are there any safety precautions to consider when working on the brake fluid level switch issue triggering code C1247 in a Cadillac?

When working on the brake system or electrical components, always disconnect the battery to prevent accidental short circuits. Additionally, handle brake fluid with care and ensure proper disposal practices.

9. Will fixing OBDII code C1247 related to the brake fluid level switch being grounded improve the overall performance of my Cadillac's braking system?

Correcting this issue will restore the proper operation of the brake fluid level monitoring system, ensuring accurate readings and timely warnings about low fluid levels. This can contribute to maintaining optimal brake performance.

10. How long does it typically take to repair OBDII code C1247 in a Cadillac caused by a grounded brake fluid level switch?

The repair time can vary depending on the exact cause of the issue and the complexity of accessing and replacing the brake fluid level switch. In general, it may take anywhere from 30 minutes to a few hours to complete the repair.

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