P0571 Hyundai Code - Brake Switch 1 Performance
Quick Answer
When the brake pedal is depressed, the stop light switch sends a signal to the Engine Control Module (ECM). Common causes include Faulty Brake Switch, Misadjusted brake switch, Brake Switch 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 Hyundai indicates Brake Switch 1 Performance.
- Common causes
- Common causes include Faulty Brake Switch, Misadjusted brake switch, Brake Switch 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 Hyundai Description
What are the Possible Causes of the DTC P0571 Hyundai?
- Faulty Brake Switch
- Misadjusted brake switch
- Brake Switch harness is open or shorted
- Brake Switch circuit poor electrical connection
How to Fix the DTC P0571 Hyundai?
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 Hyundai 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 Hyundai Code
1. What does the OBDII code P0571 mean on a Hyundai?
P0571 indicates a "Brake Switch 1 Performance" issue, meaning the vehicle's computer has detected a problem with the brake switch signal or its operation.
2. What are common symptoms of code P0571 in a Hyundai?
Symptoms may include the cruise control not functioning, brake lights staying on or not working, and possible poor brake pedal response.
3. What causes the P0571 code in a Hyundai?
Common causes include a faulty brake light switch, damaged wiring or connectors, misaligned brake switch, or an issue with the brake pedal mechanism.
4. Can I drive my Hyundai with a P0571 code?
While the car may still be drivable, safety systems like the brake lights or cruise control could be compromised, so it’s best to address the issue promptly.
5. How do I fix the P0571 code on my Hyundai?
Start by inspecting and replacing the brake light switch if defective. Check for damaged wiring, loose connections, or misalignment of the switch. Clear the code after repairs.
6. How much does it cost to fix a P0571 code in a Hyundai?
Replacing a brake light switch typically costs $50-$150, including parts and labor. Wiring repairs may cost more, depending on the extent of the damage.
7. Can a faulty brake light switch cause other problems?
Yes, a faulty switch can affect the brake lights, cruise control, and even transmission behavior in some vehicles due to incorrect brake signal input.
8. How do I test the brake light switch on my Hyundai?
You can test the brake light switch by checking for continuity with a multimeter and observing if the brake lights operate correctly when the pedal is pressed.
9. Will clearing the P0571 code fix the issue?
Clearing the code will not fix the underlying problem. The issue must be diagnosed and repaired before the code will stay cleared.
10. Can a P0571 code trigger other warning lights on my Hyundai?
Yes, it can potentially cause the check engine light, ABS warning light, or traction control light to illuminate, depending on the vehicle’s systems.
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