Engine-CodesGeneric – C1424

C1424 Code - Master Cylinder Pressure Sensor Output Malfunction

Quick Answer

The C1424 code indicates a malfunction in the master cylinder pressure sensor output. Common causes include Faulty master cylinder pressure sensor, Wiring or electrical issues in the sensor circuit, Corrosion or contamination affecting sensor operation. 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
C1424 indicates Master Cylinder Pressure Sensor Output Malfunction.
Common causes
Common causes include Faulty master cylinder pressure sensor, Wiring or electrical issues in the sensor circuit, Corrosion or contamination affecting sensor operation.
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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code C1424 Description

The C1424 code indicates a malfunction in the master cylinder pressure sensor output. The master cylinder pressure sensor is a crucial component of the vehicle's braking system, responsible for monitoring the hydraulic pressure in the master cylinder. This information is used to ensure proper brake performance and safety. When this sensor malfunctions, it can lead to issues with brake performance, potentially causing decreased braking efficiency, increased stopping distances, or even complete brake failure.

OBDII Code C1424 - Master Cylinder Pressure Sensor Output Malfunction
C1424 Code - Master Cylinder Pressure Sensor Output Malfunction

Common Causes of C1424

  1. Faulty master cylinder pressure sensor
  2. Wiring or electrical issues in the sensor circuit
  3. Corrosion or contamination affecting sensor operation
  4. Software or calibration issues in the brake control module
  5. Hydraulic system leaks or malfunctions affecting pressure readings

Symptoms of C1424

  1. Illumination of the brake warning light on the dashboard
  2. Increased pedal effort required to engage brakes
  3. Inconsistent brake pressure or spongy brake pedal
  4. ABS system malfunction or activation
  5. Loss of brake assist functionality

How to Fix C1424

  1. Diagnose the issue by using a scan tool to retrieve the specific fault code and check sensor readings
  2. Inspect the master cylinder pressure sensor and its wiring for any signs of damage or corrosion
  3. Replace the faulty sensor if necessary, ensuring the new sensor is properly calibrated
  4. Clear the fault code from the vehicle's memory and test drive to verify proper brake operation
  5. Perform a brake system bleed to remove any air bubbles and ensure proper hydraulic pressure

Cost to Fix C1424

The cost of repairing a master cylinder pressure sensor output malfunction can vary depending on the make and model of the vehicle, as well as the specific cause of the issue. In general, the cost of parts for a new master cylinder pressure sensor can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost for this issue could be anywhere from $150 to $500. It's important to note that these are rough estimates, and actual costs may vary based on individual circumstances.

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Code C1424 Information for Specific Makes

  • C1424 Lexus — Master Cylinder Pressure Sensor Output Malfunction
  • C1424 Scion — Master Cylinder Pressure Sensor Output Malfunction
  • C1424 Toyota — Master Cylinder Pressure Sensor Output Malfunction
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 C1424 Code

1. What are the common symptoms of OBDII code C1424 (Master Cylinder Pressure Sensor Output Malfunction)?

- Common symptoms include the ABS warning light illuminating on the dashboard, difficulty braking, and potential loss of brake assist.

2. What could cause the OBDII code C1424 to trigger?

- The code C1424 may be triggered by a faulty master cylinder pressure sensor, wiring issues, or a problem with the ABS module.

3. How serious is the OBDII code C1424 (Master Cylinder Pressure Sensor Output Malfunction)?

- This code indicates a malfunction in a critical component related to brake operation, so it should be addressed promptly to ensure safe driving.

4. Can I still drive my vehicle with the OBDII code C1424 present?

- It is not recommended to drive the vehicle with the code C1424 present as it could compromise the effectiveness of the braking system.

5. How can I diagnose the OBDII code C1424?

- Diagnosing the code C1424 typically involves using a scan tool to retrieve the code, checking the master cylinder pressure sensor, and inspecting the wiring for any issues.

6. What are some repair tips for fixing the OBDII code C1424?

- Repairing the code C1424 may involve replacing the master cylinder pressure sensor, repairing any damaged wiring, or reprogramming the ABS module.

7. Can I reset the OBDII code C1424 without fixing the underlying issue?

- While you can clear the code temporarily, it is essential to address the root cause to prevent the issue from recurring and ensure safe driving conditions.

8. How much does it cost to repair the OBDII code C1424?

- The cost of repairing the code C1424 can vary depending on the cause of the issue, but it may involve parts and labor expenses associated with sensor replacement or wiring repairs.

9. Is the OBDII code C1424 a common problem in certain vehicle makes and models?

- The OBDII code C1424 may be more common in vehicles equipped with ABS systems and master cylinder pressure sensors, but it can occur in various makes and models.

10. Can I prevent the OBDII code C1424 from occurring in the future?

- Regular maintenance, such as checking the brake system components and addressing any warning lights promptly, can help prevent issues like the code C1424 from occurring.

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