Engine-CodesGMC – P0572 2014 GMC Sierra

P0572 2014 GMC Sierra Code - Brake Switch Circuit Low Voltage

Quick Answer

The P0572 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates that there is a low voltage condition detected in the brake switch circuit. Common causes include Faulty brake switch, Damaged wiring or connectors in the brake switch circuit, ECM malfunction. 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
P0572 2014 GMC Sierra indicates Brake Switch Circuit Low Voltage.
Common causes
Common causes include Faulty brake switch, Damaged wiring or connectors in the brake switch circuit, ECM malfunction.
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 13, 2024
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Code P0572 2014 GMC Sierra Description

The P0572 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates that there is a low voltage condition detected in the brake switch circuit. The brake switch is a crucial component in the vehicle's braking system, as it sends a signal to the vehicle's electronic control module (ECM) when the brake pedal is pressed. This signal is used to activate the brake lights and disengage cruise control, among other functions.

OBDII Code P0572 2014 GMC Sierra - Brake Switch Circuit Low Voltage
P0572 2014 GMC Sierra Code - Brake Switch Circuit Low Voltage

Common Causes of P0572 2014 GMC Sierra

  1. Faulty brake switch
  2. Damaged wiring or connectors in the brake switch circuit
  3. ECM malfunction
  4. Corrosion in the brake switch circuit

Symptoms of P0572 2014 GMC Sierra

  1. Brake lights not working properly
  2. Cruise control not disengaging when brake pedal is pressed
  3. Vehicle going into limp mode
  4. Check Engine Light illuminated

How to Fix P0572 2014 GMC Sierra

  1. Begin by diagnosing the issue using a diagnostic scanner to confirm the P0572 code.
  2. Inspect the brake switch, wiring, and connectors for any visible damage or corrosion.
  3. Test the brake switch for proper functionality using a multimeter.
  4. Replace the brake switch if it is found to be faulty.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0572 2014 GMC Sierra

The cost of repairing a P0572 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue. On average, the cost of replacing a brake switch can range from $50 to $150, while labor costs can range from $80 to $150 per hour. Additional costs may include diagnostic fees and any necessary wiring repairs. Overall, the total repair cost could range from $150 to $300 or more, depending on the extent of the issue and the rates charged by the repair shop. It is recommended to obtain quotes from local auto repair shops to get a more accurate estimate of the repair costs.

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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 P0572 2014 GMC Sierra Code

1. What does the OBDII code P0572 mean for a 2014 GMC Sierra?

P0572 indicates a "Brake Switch Circuit Low Voltage," meaning the vehicle's computer detects a lower-than-expected voltage signal from the brake switch.

2. What are the common symptoms of code P0572 in a 2014 GMC Sierra?

Symptoms may include the cruise control not functioning, brake lights staying on or not working, and potential issues with transmission shifting.

3. What causes the P0572 code in a 2014 GMC Sierra?

Common causes include a faulty brake light switch, damaged wiring or connections, or issues with the brake light circuit.

4. Can a malfunctioning brake light switch trigger P0572 in a 2014 GMC Sierra?

Yes, a faulty or misaligned brake light switch can lead to low voltage in the brake switch circuit, triggering this code.

5. How do you diagnose the P0572 code in a 2014 GMC Sierra?

Start by inspecting the brake light switch, wiring, and connectors for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the brake circuit.

6. Is it safe to drive a 2014 GMC Sierra with the P0572 code?

Driving with this code may not be safe since it can affect brake light operation and cruise control. Address the issue promptly to avoid potential safety hazards.

7. How is the P0572 code typically fixed on a 2014 GMC Sierra?

Repairs usually involve replacing the brake light switch, repairing damaged wiring, or ensuring all connections are secure and free of corrosion.

8. Can a blown fuse cause the P0572 code in a 2014 GMC Sierra?

Yes, a blown fuse related to the brake light circuit can result in low voltage and trigger the P0572 code.

9. How much does it cost to repair the P0572 code on a 2014 GMC Sierra?

The cost can vary but typically ranges from $50 to $150 for parts like a brake light switch, plus labor costs if professional repair is needed.

10. Will clearing the P0572 code fix the problem in a 2014 GMC Sierra?

Clearing the code may temporarily remove it, but unless the underlying issue is addressed, the code is likely to return.

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