AutoCodes – Cadillac – C0273 Cadillac

C0273 Cadillac Code - Brake Fluid Level Switch Circuit

Quick Answer

The brake fluid level switch monitors the level of the brake fluid in the brake fluid reservoir. 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
C0273 Cadillac indicates Brake Fluid Level Switch Circuit.
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 1,642
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 05, 2023
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Code C0273 Cadillac Description

The brake fluid level switch monitors the level of the brake fluid in the brake fluid reservoir. When the Electronic Brake Control Module (EBCM) sees the brake fluid level switch input open, the Diagnostic Trouble Code (DTC) is set.
OBDII Code C0273 Cadillac - Brake Fluid Level Switch Circuit - AutoCodes.com
C0273 Cadillac Code - Brake Fluid Level Switch Circuit

What are the Possible Causes of the DTC C0273 Cadillac?

  • Faulty Brake Fluid Level Switch
  • Brake Fluid Level Switch harness is open or shorted
  • Brake Fluid Level Switch circuit poor electrical connection
  • Faulty Electronic Brake Control Module (EBCM)

How to Fix the DTC C0273 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 C0273 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.

Need more information about the C0273 Cadillac code?

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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 C0273 Cadillac Code

1. What are the common symptoms of OBDII code C0273 in a Cadillac related to the Brake Fluid Level Switch Circuit?

The common symptoms include the illumination of the brake warning light on the dashboard, inaccurate reading of brake fluid level, and potential issues with the brake system.

2. What are the possible causes of OBDII code C0273 in a Cadillac?

The code C0273 in a Cadillac related to the Brake Fluid Level Switch Circuit can be caused by a faulty brake fluid level switch, wiring issues, or problems with the brake fluid reservoir.

3. How can I diagnose OBDII code C0273 in my Cadillac?

To diagnose code C0273, you can start by visually inspecting the brake fluid level switch and its wiring for any signs of damage. Using a multimeter, you can also test the switch for continuity and proper operation.

4. What are the repair options for OBDII code C0273 in a Cadillac?

Repair options for code C0273 may include replacing the brake fluid level switch, repairing any damaged wiring, or cleaning and resetting the switch if it is stuck or malfunctioning.

5. Can I drive my Cadillac with OBDII code C0273 related to the Brake Fluid Level Switch Circuit?

It is not recommended to drive your Cadillac with code C0273 as it indicates a potential issue with the brake fluid level monitoring system, which is crucial for safe braking operation. It is best to address the problem promptly.

6. How serious is OBDII code C0273 in a Cadillac?

Code C0273 related to the Brake Fluid Level Switch Circuit is considered a moderate severity issue. While it may not directly affect the drivability of the vehicle, it could compromise the accuracy of the brake fluid level monitoring system.

7. Can a DIY enthusiast fix OBDII code C0273 in a Cadillac?

Depending on your skill level and experience with automotive repairs, you may be able to address code C0273 yourself by following diagnostic procedures and replacing the faulty components. However, if you are unsure, it's best to consult a professional mechanic.

8. How much does it cost to repair OBDII code C0273 in a Cadillac at a repair shop?

The cost of repairing code C0273 in a Cadillac can vary depending on the root cause of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed. It is advisable to get quotes from different shops for an accurate estimate.

9. Will resetting the OBDII code C0273 in my Cadillac make the issue go away?

Resetting the OBDII code C0273 may temporarily turn off the warning light, but it will not fix the underlying problem with the Brake Fluid Level Switch Circuit. It is important to diagnose and address the root cause of the code to prevent future issues.

10. How often should the brake fluid level switch be inspected in a Cadillac to prevent OBDII code C0273?

It is recommended to include a visual inspection of the brake fluid level switch and its wiring as part of regular maintenance checks for your Cadillac. Checking the switch during routine service intervals can help prevent issues related to code C0273.

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