P0571 2016 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 2016 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 2016 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 2016 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 2016 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 2016 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 2016 Chevrolet Silverado Code
1. What does the OBDII code P0571 mean on a 2016 Chevrolet Silverado?
P0571 indicates an issue with the Cruise Control Brake Switch Circuit, which monitors the brake pedal position for proper cruise control operation.
2. What are the common symptoms of code P0571 on a 2016 Chevrolet Silverado?
Symptoms may include the cruise control not functioning, the brake lights malfunctioning, or the illumination of the Check Engine Light.
3. What causes the P0571 code on a 2016 Chevrolet Silverado?
Common causes include a faulty brake switch, damaged wiring or connectors, a blown fuse, or issues with the cruise control module.
4. Can I still drive my 2016 Chevrolet Silverado with code P0571?
Yes, you can drive the vehicle, but cruise control functionality may be disabled, and brake light issues could pose a safety risk.
5. How do I diagnose the P0571 code on a 2016 Chevrolet Silverado?
Start by inspecting the brake switch, wiring, and connectors for damage or disconnections. Use a multimeter to test the switch's functionality if necessary.
6. How is the P0571 code typically repaired on a 2016 Chevrolet Silverado?
Repairs may include replacing the brake switch, repairing or replacing damaged wiring, or clearing the code after fixing the root cause.
7. How much does it cost to fix the P0571 code on a 2016 Chevrolet Silverado?
The cost varies, but replacing a brake switch typically ranges from $50 to $150, including parts and labor.
8. Can a faulty brake switch cause other issues on a 2016 Chevrolet Silverado?
Yes, a malfunctioning brake switch can disrupt cruise control, brake light operation, and potentially affect transmission shift patterns.
9. How can I prevent the P0571 code from recurring on a 2016 Chevrolet Silverado?
Regularly inspect the brake switch and wiring for wear or damage, and ensure proper maintenance of the cruise control system.
10. Do I need professional help to fix the P0571 code on my 2016 Chevrolet Silverado?
While some repairs, like replacing the brake switch, can be done by DIYers, professional assistance may be required for complex electrical diagnostics.
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