AutoCodes – Scion – C1431 Scion

C1431 Scion Code - Brake Pedal Load Sensing Switch On Stuck Malfunction

Quick Answer

The Brake Pedal Load Sensing Switch turns ON when the brake pedal is depressed with a force exceeding a predetermined level. Common causes include Faulty Brake Pedal Load Sensing Switch, Brake Pedal Load Sensing Switch harness is open or shorted, Brake Pedal Load Sensing 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
C1431 Scion indicates Brake Pedal Load Sensing Switch On Stuck Malfunction.
Common causes
Common causes include Faulty Brake Pedal Load Sensing Switch, Brake Pedal Load Sensing Switch harness is open or shorted, Brake Pedal Load Sensing 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 940
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 30, 2020
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Code C1431 Scion Description

The Brake Pedal Load Sensing Switch turns ON when the brake pedal is depressed with a force exceeding a predetermined level. The Skid Control ECU uses this circuit to detect if the brake pedal is depressed or not. The Skid Control ECU monitors the Brake Pedal Load Sensing Switch. The Skid Control ECU sets the OBDII code when the Brake Pedal Load Sensing Switch is not to factory specifications.
OBDII Code C1431 Scion - Brake Pedal Load Sensing Switch On Stuck Malfunction - AutoCodes.com
C1431 Scion Code - Brake Pedal Load Sensing Switch On Stuck Malfunction

What are the Possible Causes of the DTC C1431 Scion?

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

How to Fix the DTC C1431 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 C1431 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.

Need more information about the C1431 Scion 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 C1431 Scion Code

1. What are the common symptoms of the OBDII code C1431 in a Scion related to the Brake Pedal Load Sensing Switch On Stuck Malfunction?

- Common symptoms include the brake warning light illuminating on the dashboard, reduced braking performance, and potential issues with the vehicle's stability control system.

2. What causes the Brake Pedal Load Sensing Switch On Stuck Malfunction in a Scion triggering the OBDII code C1431?

- The most common cause of this malfunction is a faulty load sensing switch located on the brake pedal assembly, which may be stuck in the "on" position due to wear or electrical issues.

3. How can I diagnose the Brake Pedal Load Sensing Switch On Stuck Malfunction triggering the OBDII code C1431 in my Scion?

- A professional diagnostic scan tool can be used to retrieve the specific OBDII code C1431, and further inspection of the brake pedal assembly and related components can help identify the exact cause of the malfunction.

4. Can I continue driving my Scion with the OBDII code C1431 related to the Brake Pedal Load Sensing Switch On Stuck Malfunction?

- It is not recommended to drive the vehicle with this issue, as it can affect the braking performance and overall safety of the vehicle. Prompt inspection and repair are advised.

5. How can I repair the Brake Pedal Load Sensing Switch On Stuck Malfunction causing the OBDII code C1431 in my Scion?

- Repair typically involves replacing the faulty load sensing switch on the brake pedal assembly. It is advisable to consult a professional mechanic for proper diagnosis and repair.

6. Are there any DIY tips for addressing the OBDII code C1431 related to the Brake Pedal Load Sensing Switch On Stuck Malfunction in a Scion?

- DIY tips may include visually inspecting the brake pedal assembly for any visible signs of damage or wear on the load sensing switch. However, precise diagnosis and repair are best left to experienced professionals.

7. Will resetting the OBDII system clear the C1431 code related to the Brake Pedal Load Sensing Switch On Stuck Malfunction in my Scion?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue with the load sensing switch persists, the code is likely to reappear. It's essential to address the root cause of the malfunction.

8. How much does it typically cost to repair the Brake Pedal Load Sensing Switch On Stuck Malfunction causing the OBDII code C1431 in a Scion?

- The cost of repair can vary depending on the extent of the issue and the labor rates in your area. It's recommended to obtain quotes from local mechanics or dealerships for an accurate estimate.

9. Can extreme weather conditions or rough driving contribute to the Brake Pedal Load Sensing Switch On Stuck Malfunction triggering the OBDII code C1431 in a Scion?

- While extreme conditions or driving habits can potentially exacerbate wear on the load sensing switch and related components, the malfunction is typically due to internal issues with the switch itself rather than external factors.

10. Is the OBDII code C1431 related to the Brake Pedal Load Sensing Switch On Stuck Malfunction a common issue in Scion vehicles?

- While not as common as some other OBDII codes, the Brake Pedal Load Sensing Switch On Stuck Malfunction can occur in Scion vehicles, particularly as they age and components wear out.

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