AutoCodes – Mitsubishi – P0573 Mitsubishi

P0573 Mitsubishi Code - Brake Switch 1 Stuck Off

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, Brake Switch harness is open or shorted, Brake Switch circuit poor electrical connection. 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
P0573 Mitsubishi indicates Brake Switch 1 Stuck Off.
Common causes
Common causes include Faulty Brake Switch, Brake Switch harness is open or shorted, Brake Switch circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 4,655
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 28, 2019
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Code P0573 Mitsubishi Description

When the brake pedal is depressed, the stop light switch sends a signal to the Engine Control Module (ECM). When the ECM receives this signal, it cancels the cruise control.
OBDII Code P0573 Mitsubishi - Brake Switch 1 Stuck Off - AutoCodes.com
P0573 Mitsubishi Code - Brake Switch 1 Stuck Off

What are the Possible Causes of the DTC P0573 Mitsubishi?

  • Faulty Brake Switch
  • Brake Switch harness is open or shorted
  • Brake Switch circuit poor electrical connection

How to Fix the DTC P0573 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 P0573 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.

Need more information about the P0573 Mitsubishi code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0573 Mitsubishi Code

1. What does the OBDII code P0573 mean for a Mitsubishi?

P0573 indicates "Brake Switch 1 Stuck Off," meaning the brake pedal switch is not registering properly when the pedal is pressed.

2. What are the common symptoms of code P0573 in a Mitsubishi?

Symptoms may include the brake lights not working, cruise control malfunction, and potential ABS or traction control warnings.

3. What causes the P0573 code on a Mitsubishi?

The code is typically caused by a faulty brake pedal switch, damaged wiring, or a blown fuse related to the brake light circuit.

4. How can I diagnose the P0573 code on my Mitsubishi?

Start by visually inspecting the brake pedal switch, wiring, and fuses. Use a multimeter to test for continuity in the brake light circuit.

5. Can I drive my Mitsubishi with a P0573 code?

While the car may still be drivable, safety systems like brake lights and cruise control may not function correctly, which can increase the risk of accidents.

6. How do I fix the P0573 code on a Mitsubishi?

Repair or replace the brake pedal switch if it's faulty, check and fix damaged wiring, or replace a blown fuse in the brake light circuit.

7. How much does it cost to repair a P0573 code on a Mitsubishi?

Repair costs vary but typically range from $50 to $150 for a brake pedal switch replacement, excluding labor costs.

8. Can a P0573 code affect other systems in my Mitsubishi?

Yes, it can affect systems like cruise control, ABS, and traction control due to their reliance on brake switch signals.

9. How do I clear the P0573 code after repairing my Mitsubishi?

Use an OBDII scanner to clear the code after repairs, or the code may clear automatically after the system verifies the issue is resolved.

10. What happens if I ignore the P0573 code on my Mitsubishi?

Ignoring the code can lead to safety issues, such as non-functional brake lights, and may cause further damage to related systems over time.

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