P0571 Mitsubishi 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 Mitsubishi 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 Mitsubishi Description
What are the Possible Causes of the DTC P0571 Mitsubishi?
- 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 Mitsubishi?
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 Mitsubishi 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 Mitsubishi Code
1. What does the OBDII code P0571 mean on a Mitsubishi?
P0571 indicates a Brake Switch 1 Performance issue, meaning the brake light switch may not be operating properly or the signal is out of range.
2. What are the common symptoms of the P0571 code?
Symptoms include the brake lights not functioning correctly, cruise control not working, or the ABS/traction control warning light illuminating.
3. What causes the P0571 code on a Mitsubishi?
Common causes include a faulty brake light switch, damaged wiring or connectors, or a malfunctioning cruise control system.
4. Can I drive my Mitsubishi with the P0571 code?
While the vehicle may still be drivable, safety systems like brake lights or cruise control may not function properly, posing a safety risk.
5. How do you diagnose the P0571 code?
Diagnosis involves inspecting the brake light switch, checking the wiring and connectors for damage, and using a multimeter to test the electrical circuit.
6. How is the P0571 code fixed?
Repairs typically involve replacing the brake light switch, repairing damaged wiring, or cleaning connectors to restore proper signal performance.
7. How much does it cost to repair the P0571 code?
Repair costs vary, but replacing a brake light switch typically costs $50-$150, including parts and labor.
8. Can a faulty brake light switch trigger the P0571 code?
Yes, a malfunctioning brake light switch is one of the most common reasons for this code.
9. Will resetting the code fix the P0571 issue?
Resetting the code without addressing the root cause will not fix the issue; the code will likely return.
10. Does the P0571 code affect cruise control operation?
Yes, this code can disable the cruise control system, as it relies on signals from the brake light switch for safe operation.
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