P0572 2017 GMC Sierra Code - Brake Switch Circuit Low Voltage
Quick Answer
The Brake Pedal Position Sensor signal circuit is a B+ input from the Body Control Module (BCM) to the Engine Control Module (ECM). Common causes include Faulty Brake Pedal Position Sensor, Misadjusted Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted. 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 2017 GMC Sierra indicates Brake Switch Circuit Low Voltage.
- Common causes
- Common causes include Faulty Brake Pedal Position Sensor, Misadjusted Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted.
- 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.
Code P0572 2017 GMC Sierra Description
What are the Possible Causes of the DTC P0572 2017 GMC Sierra?
- Faulty Brake Pedal Position Sensor
- Misadjusted Brake Pedal Position Sensor
- Brake Pedal Position Sensor harness is open or shorted
- Brake Pedal Position Sensor circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC P0572 2017 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 P0572 2017 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 P0572 2017 GMC Sierra code?
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Frequently Asked Questions about P0572 2017 GMC Sierra Code
1. What does the OBDII code P0572 mean on a 2017 GMC Sierra?
P0572 indicates "Brake Switch Circuit Low Voltage," meaning the Engine Control Module (ECM) has detected a lower-than-expected voltage signal from the brake switch.
2. What are the common symptoms of code P0572 in a 2017 GMC Sierra?
Symptoms may include the brake lights not working, cruise control being inoperative, a check engine light, or reduced brake pedal response.
3. What causes the P0572 code on a 2017 GMC Sierra?
Common causes include a faulty brake light switch, damaged wiring or connectors in the brake switch circuit, or a blown fuse related to the brake light system.
4. Can I drive my 2017 GMC Sierra with the P0572 code?
While the truck may still be drivable, it is unsafe to drive with faulty brake lights or cruise control, as these issues can increase the risk of accidents.
5. How do I diagnose the P0572 code on my 2017 GMC Sierra?
Start by inspecting the brake light switch, wiring, and connectors for damage or corrosion, and check the brake light fuse. Use a multimeter to verify the brake switch voltage.
6. How do I fix the P0572 code on a 2017 GMC Sierra?
The fix may involve replacing the brake light switch, repairing damaged wiring, cleaning corroded connectors, or replacing a blown fuse.
7. How much does it cost to repair the P0572 code on a 2017 GMC Sierra?
Repair costs vary but typically range from $50 to $150 for a new brake light switch and labor, depending on the shop's rates.
8. Can a bad brake light switch cause the P0572 code on a 2017 GMC Sierra?
Yes, a faulty brake light switch is a common cause of this code, as it may fail to send the correct voltage signal to the ECM.
9. Will clearing the P0572 code fix the issue on a 2017 GMC Sierra?
No, simply clearing the code will not resolve the underlying problem. The cause of the low voltage in the brake switch circuit must be addressed.
10. Can a faulty cruise control system trigger the P0572 code on a 2017 GMC Sierra?
Not directly, but a brake switch issue can disable the cruise control, which may lead to the P0572 code being logged in the system.
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