P0571 2017 GMC Sierra Code - Cruise Control Brake Switch Circuit
Quick Answer
The P0571 diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the cruise control brake switch circuit. Common causes include Faulty brake switch, Damaged wiring in the brake switch circuit, Corrosion or poor connection in the circuit. 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
- P0571 2017 GMC Sierra indicates Cruise Control Brake Switch Circuit.
- Common causes
- Common causes include Faulty brake switch, Damaged wiring in the brake switch circuit, Corrosion or poor connection in the circuit.
- 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 P0571 2017 GMC Sierra Description
The P0571 diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the cruise control brake switch circuit. This code indicates that there is a malfunction in the circuit that controls the cruise control system when the brake pedal is pressed. The cruise control system is designed to maintain a set speed of the vehicle without the need for constant acceleration from the driver. When the brake pedal is pressed, the cruise control system should disengage to allow the vehicle to slow down safely. However, if the brake switch circuit is faulty, the cruise control system may not disengage properly, leading to potential safety hazards.
Common Causes of P0571 2017 GMC Sierra
- Faulty brake switch
- Damaged wiring in the brake switch circuit
- Corrosion or poor connection in the circuit
- Defective cruise control module
- Issues with the ECU
Symptoms of P0571 2017 GMC Sierra
- Inoperative cruise control system
- Check engine light illuminated
- Difficulty disengaging cruise control when braking
- Limp mode activated
- Erratic behavior of the cruise control system
How to Fix P0571 2017 GMC Sierra
- Begin by diagnosing the specific cause of the P0571 code using a diagnostic scanner to pinpoint the faulty component.
- Inspect the brake switch and its wiring for any signs of damage, corrosion, or poor connections. Replace or repair as necessary.
- Test the cruise control module and ECU to ensure they are functioning correctly. Replace if found to be defective.
- Clear the DTC from the ECU memory and test the cruise control system to verify that the issue has been resolved.
- If the problem persists, seek professional help from a qualified mechanic or dealership for further diagnosis and repair.
Cost to Fix P0571 2017 GMC Sierra
The cost of repairing a P0571 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of parts such as a new brake switch or cruise control module can range from $50 to $200. Labor costs at auto repair shops typically range from $80 to $150 per hour. The total cost of repair, including parts and labor, could range from $150 to $500 or more. It's important to note that prices may vary based on location, vehicle make and model, and the extent of the repair needed. It's recommended to obtain quotes from local auto repair shops for a more accurate estimate.
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Frequently Asked Questions about P0571 2017 GMC Sierra Code
1. What does the OBDII code P0571 mean on a 2017 GMC Sierra?
P0571 indicates an issue with the Cruise Control Brake Switch Circuit, which means the vehicle's computer is not detecting proper signals from the brake switch when the brake pedal is pressed.
2. What are the symptoms of code P0571 in a 2017 GMC Sierra?
Common symptoms include the cruise control not functioning, the brake lights not operating properly, and possible warning lights on the dashboard.
3. What causes the P0571 code on a 2017 GMC Sierra?
The most common causes are a faulty brake switch, corroded or damaged wiring, a blown fuse, or a malfunctioning cruise control module.
4. Can I drive my 2017 GMC Sierra with the P0571 code?
While the vehicle may still be drivable, it is not recommended as the brake lights or cruise control could malfunction, posing a safety risk.
5. How do I fix the P0571 code on a 2017 GMC Sierra?
Start by inspecting and replacing the brake switch if necessary, checking the wiring and connectors for damage, and ensuring all fuses related to the brake system are intact.
6. How much does it cost to fix the P0571 code on a 2017 GMC Sierra?
Repair costs can range from $50 to $200, depending on whether the issue is a simple brake switch replacement or requires more extensive electrical repairs.
7. How do I test the brake switch for a P0571 code on my 2017 GMC Sierra?
Use a multimeter to check for proper voltage and continuity at the brake switch. If the switch does not respond correctly, it may need replacement.
8. Will clearing the code P0571 fix the issue on my 2017 GMC Sierra?
Clearing the code may turn off the warning light temporarily, but it will not solve the underlying problem. Proper diagnosis and repair are necessary.
9. Can a faulty brake light bulb cause the P0571 code on a 2017 GMC Sierra?
While uncommon, issues with the brake light circuit, including faulty bulbs or wiring, can sometimes contribute to the P0571 code.
10. Is a professional mechanic required to fix the P0571 code on a 2017 GMC Sierra?
If you're comfortable with basic electrical diagnostics and repairs, you can attempt to fix it yourself. However, consulting a professional mechanic is recommended for accurate diagnosis and repair.
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