P0571 2017 Chevrolet Silverado Code - Cruise Control Brake Switch Circuit
Quick Answer
The Engine Control Module (ECM) monitors the Brake Pedal Position Sensor. 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
- P0571 2017 Chevrolet Silverado indicates Cruise Control Brake Switch Circuit.
- 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 P0571 2017 Chevrolet Silverado Description
This diagnostic test functions on the assumption that a sudden decrease in vehicle speed is caused by a brake pedal application. When the ECM detects that there is a 4.2 km/h (2.6 mph) or greater decrease in vehicle speed within 0.25 seconds without a transition of the stop lamp switch, the ECM sets Diagnostic Trouble Code (DTC) P0571.
The DTC will be set when the BCM detects either a low voltage signal on the stop lamp switch signal circuit when the serial data message from the ECM indicates the brakes are applied or a high voltage signal on the stop lamp switch signal circuit when the serial data message from the ECM indicates the brakes are not applied.
What are the Possible Causes of the DTC P0571 2017 Chevrolet Silverado?
- 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 P0571 2017 Chevrolet Silverado?
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 P0571 2017 Chevrolet Silverado 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.
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Frequently Asked Questions about P0571 2017 Chevrolet Silverado Code
What does OBDII code P0571 mean for a 2017 Chevrolet Silverado?
Code P0571 indicates an issue with the Cruise Control Brake Switch Circuit, which monitors the brake pedal's position to disengage cruise control when the brakes are applied.
What are the common symptoms of code P0571 on a 2017 Chevrolet Silverado?
Symptoms can include the cruise control not functioning, the brake lights staying on or failing to illuminate, and potentially a Check Engine Light.
What causes code P0571 on a 2017 Chevrolet Silverado?
Common causes include a faulty brake switch, damaged wiring or connectors in the brake switch circuit, or issues with the vehicle’s PCM.
How do I fix code P0571 on a 2017 Chevrolet Silverado?
Repairs may involve replacing the brake switch, inspecting and repairing wiring or connectors, or updating/replacing the PCM if necessary.
Can code P0571 affect vehicle safety?
Yes, it can impact safety as the cruise control may fail to disengage properly when braking, and brake light issues can compromise visibility to other drivers.
How do I test the brake switch for code P0571 on a 2017 Chevrolet Silverado?
Use a multimeter to check the brake switch for proper voltage and continuity when the pedal is pressed and released.
Can a faulty brake switch cause the Check Engine Light to come on?
Yes, a faulty brake switch can trigger the Check Engine Light due to its role in the Cruise Control Brake Switch Circuit.
How much does it cost to repair code P0571 on a 2017 Chevrolet Silverado?
The cost can range from $50 to $200, depending on whether the issue is the brake switch, wiring, or PCM.
Can I still drive my 2017 Chevrolet Silverado with code P0571?
While the vehicle may still be drivable, it’s important to address the issue promptly to avoid cruise control and brake light malfunctions.
Is code P0571 related to other brake system issues?
While primarily tied to the cruise control circuit, it can sometimes overlap with general brake system problems if wiring or sensor issues are widespread.
Discuss the causes and fixes for P0571 2017 Chevrolet Silverado OBDII Code
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