P0571 Scion Code - Brake Switch 'A' Circuit
Quick Answer
When the brake pedal is depressed, the stop light switch assembly 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 Scion indicates Brake Switch 'A' Circuit.
- 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 Scion Description
What are the Possible Causes of the DTC P0571 Scion?
- Faulty Brake Switch
- Misadjusted brake switch
- Brake Switch harness is open or shorted
- Brake Switch circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0571 Scion?
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 Scion 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 Scion Code
1. What does the OBDII code P0571 mean for a Scion?
P0571 indicates an issue with the Brake Switch 'A' Circuit, which monitors the brake pedal's position and function for systems like cruise control and brake lights.
2. What are the common symptoms of code P0571 on a Scion?
Symptoms may include non-functional cruise control, brake lights staying on or not working, and the Check Engine Light illuminating.
3. What causes code P0571 to appear on a Scion?
Common causes include a faulty brake light switch, damaged wiring or connectors in the brake switch circuit, or a blown fuse related to the brake system.
4. Can driving with code P0571 damage my Scion?
While the car may still be drivable, failure to address this code can compromise safety systems like brake lights and cruise control, which could pose risks.
5. How can I diagnose code P0571 on my Scion?
Start by inspecting the brake light switch, wiring, and connectors for damage. Use a multimeter to check for proper voltage and continuity in the circuit.
6. How do I fix code P0571 on a Scion?
Repairs may involve replacing a faulty brake light switch, repairing damaged wiring, or replacing a blown fuse.
7. Is replacing the brake light switch expensive for a Scion?
Replacing the brake light switch is generally inexpensive, with parts costing $20-$50 and minimal labor required.
8. Can a dirty brake pedal sensor cause code P0571?
Yes, dirt or debris can interfere with the brake switch's function. Cleaning the sensor may resolve the issue in some cases.
9. Will clearing the code P0571 fix the issue on my Scion?
Clearing the code without addressing the underlying problem will result in the code returning. The root cause must be repaired.
10. Does code P0571 affect my Scion’s cruise control?
Yes, a malfunctioning brake switch can cause the cruise control system to become inoperable for safety reasons.
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