AutoCodes – GMC – C0273 2014 GMC Sierra

C0273 2014 GMC Sierra 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 2014 GMC Sierra 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.

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Code Popularity 202

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 05, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0273 2014 GMC Sierra 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 2014 GMC Sierra - Brake Fluid Level Switch Circuit - AutoCodes.com — C0273 2014 GMC Sierra Code - Brake Fluid Level Switch Circuit

What does this mean?

What are the Possible Causes of the DTC C0273 2014 GMC Sierra?

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 2014 GMC Sierra?

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 2014 GMC Sierra 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 2014 GMC Sierra code?

Need more information on how to fix the C0273 2014 GMC Sierra code? Get Access to Factory Service Manuals

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 2014 GMC Sierra Code

1. What does the OBDII code C0273 mean on a 2014 GMC Sierra?

C0273 indicates an issue with the brake fluid level switch circuit, which monitors the brake fluid level and communicates with the vehicle's braking system.

2. What are the common symptoms of code C0273 in a 2014 GMC Sierra?

Typical symptoms include the brake warning light illuminating, reduced braking performance, or a message on the dashboard related to brake system issues.

3. What causes the C0273 code in a GMC Sierra?

Possible causes include a faulty brake fluid level switch, low brake fluid, damaged wiring or connectors in the circuit, or a malfunction in the electronic brake control module (EBCM).

4. Can low brake fluid trigger the C0273 code?

Yes, if the brake fluid is below the recommended level, it can cause the brake fluid level switch to send incorrect signals, resulting in the C0273 code.

5. How do I diagnose the C0273 code on my 2014 GMC Sierra?

Start by checking the brake fluid level, inspecting the brake fluid level switch for damage, and examining the wiring and connectors for corrosion or breaks. Use a diagnostic scanner to confirm the code.

6. How can I fix the C0273 code on my GMC Sierra?

Repair steps may include refilling brake fluid to the proper level, replacing a faulty brake fluid level switch, repairing damaged wiring, or replacing the EBCM if necessary.

7. Is it safe to drive with the C0273 code on my GMC Sierra?

Driving with this code is not recommended, as it may indicate a serious issue with the brake system that could compromise vehicle safety.

8. How much does it cost to fix the C0273 code on a 2014 GMC Sierra?

Repair costs vary but could range from $50 to $150 for a new brake fluid level switch, plus labor. Wiring repairs or EBCM replacement may cost more.

9. Can I clear the C0273 code without fixing the problem?

Clearing the code without addressing the root cause is not advisable, as the issue will likely return and may worsen over time.

10. Does the C0273 code mean my brakes are failing?

Not necessarily, but it signals a potential issue with the brake fluid monitoring system that should be addressed promptly to ensure proper brake function.