P0571 2014 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 2014 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 2014 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 2014 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 2014 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 2014 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 2014 Chevrolet Silverado Code
1. What does the OBDII code P0571 mean on a 2014 Chevrolet Silverado?
The P0571 code indicates an issue with the Cruise Control Brake Switch Circuit, which may prevent the cruise control system from functioning properly.
2. What are the common symptoms of a P0571 code in a 2014 Chevrolet Silverado?
Symptoms may include the cruise control not activating, the brake lights staying on or malfunctioning, or triggering the Check Engine Light.
3. What causes the P0571 code on a 2014 Chevrolet Silverado?
Common causes include a faulty brake light switch, damaged wiring or connectors in the brake switch circuit, or issues with the cruise control module.
4. Can I still drive my 2014 Chevrolet Silverado with a P0571 code?
Yes, the vehicle is generally safe to drive, but the cruise control system may not work, and brake light issues could pose a safety risk.
5. How do I diagnose the P0571 code on a 2014 Chevrolet Silverado?
Diagnosis typically involves checking the brake light switch for proper operation, inspecting wiring and connectors, and using a scan tool to monitor brake switch circuit activity.
6. How do I fix the P0571 code on a 2014 Chevrolet Silverado?
Common fixes include replacing a faulty brake light switch, repairing damaged wiring or connectors, or resetting the code after repairs.
7. How much does it cost to repair a P0571 code on a 2014 Chevrolet Silverado?
Repair costs can vary but typically range from $50 to $200, depending on whether the brake light switch or wiring needs replacement.
8. Can a bad brake light switch cause other problems besides the P0571 code?
Yes, a faulty brake light switch can also cause brake lights to stay on, affect shift interlock functionality, or interfere with ABS and traction control systems.
9. Will clearing the P0571 code fix the problem on my 2014 Chevrolet Silverado?
Clearing the code without addressing the underlying issue will only temporarily remove the warning, and the code is likely to return.
10. Can a P0571 code cause the cruise control to stop working entirely?
Yes, because the cruise control system relies on the brake switch to disengage when braking, a problem in the circuit can disable the cruise control system.
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