AutoCodes – Lexus – C1424 Lexus

C1424 Lexus Code - Master Cylinder Pressure Sensor Output Malfunction

Quick Answer

The Master Cylinder Pressure Sensor is connected to the Skid Control ECU (Brake Actuator Assembly). Common causes include Faulty Brake Actuator Assembly (Master Cylinder Pressure Sensor), Brake Actuator Assembly harness is open or shorted, Brake Actuator Assembly 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
C1424 Lexus indicates Master Cylinder Pressure Sensor Output Malfunction.
Common causes
Common causes include Faulty Brake Actuator Assembly (Master Cylinder Pressure Sensor), Brake Actuator Assembly harness is open or shorted, Brake Actuator Assembly 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 6,135
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 22, 2023
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Code C1424 Lexus Description

The Master Cylinder Pressure Sensor is connected to the Skid Control ECU (Brake Actuator Assembly). The Skid Control ECU monitors the Master Cylinder Pressure Sensor. The Skid Control ECU sets the Diagnostic Trouble Code (DTC) when the Master Cylinder Pressure Sensor is not to factory specifications.
OBDII Code C1424 Lexus - Master Cylinder Pressure Sensor Output Malfunction - AutoCodes.com
C1424 Lexus Code - Master Cylinder Pressure Sensor Output Malfunction

What are the Possible Causes of the DTC C1424 Lexus?

  • Faulty Brake Actuator Assembly (Master Cylinder Pressure Sensor)
  • Brake Actuator Assembly harness is open or shorted
  • Brake Actuator Assembly circuit poor electrical connection

How to Fix the DTC C1424 Lexus?

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 C1424 Lexus 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 C1424 Lexus code?

Need more information on how to fix the C1424 Lexus code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1424 Lexus code diagnosed by a professional: Find a repair shop in your area

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 Lexus Code

1. What are the common symptoms of OBDII code C1424 in a Lexus related to the master cylinder pressure sensor output malfunction?

- Common symptoms include the ABS warning light illuminating on the dashboard, a decrease in braking performance, and potential traction control issues.

2. What are the possible causes of the C1424 code indicating a master cylinder pressure sensor output malfunction in a Lexus?

- The code may be triggered by a faulty master cylinder pressure sensor, damaged wiring or connectors in the sensor circuit, or issues with the ABS module.

3. How can I diagnose the cause of the master cylinder pressure sensor output malfunction in my Lexus triggering code C1424?

- A thorough inspection of the master cylinder pressure sensor, its wiring, and connectors is recommended. Additionally, performing a diagnostic scan with a compatible OBDII scanner can help pinpoint the issue.

4. Can driving with the C1424 code related to the master cylinder pressure sensor malfunction pose any risks in a Lexus?

- Continuing to drive with this code may compromise the vehicle's braking system, potentially leading to safety hazards. It is advisable to address the issue promptly.

5. What are some repair tips for resolving the C1424 code indicating a master cylinder pressure sensor output malfunction in a Lexus?

- Repair options may include replacing the faulty master cylinder pressure sensor, repairing damaged wiring or connectors, or recalibrating the ABS system as needed.

6. Is it advisable to reset the OBDII code C1424 related to the master cylinder pressure sensor malfunction in a Lexus without addressing the underlying issue?

- Resetting the code without fixing the root cause may temporarily turn off the warning light, but the issue will likely persist and could potentially lead to safety concerns.

7. How crucial is it to address the OBDII code C1424 indicating a master cylinder pressure sensor output malfunction promptly in a Lexus?

- Prompt attention to this code is essential as it directly affects the proper functioning of the vehicle's braking system and overall safety while driving.

8. Can a DIY enthusiast with automotive knowledge effectively resolve the C1424 code related to the master cylinder pressure sensor malfunction in a Lexus?

- Depending on the individual's expertise, some DIY enthusiasts may be able to address this issue by following repair guides and using the necessary tools.

9. Are there any preventive measures to avoid triggering the C1424 code associated with a master cylinder pressure sensor malfunction in a Lexus?

- Regular maintenance of the vehicle's braking system, including checking the master cylinder pressure sensor and related components, can help prevent this code from being triggered.

10. How much can I expect to spend on repairs for the OBDII code C1424 indicating a master cylinder pressure sensor output malfunction in a Lexus?

- The cost of repairs can vary depending on the specific issue causing the code, the labor rates in your area, and whether you choose to address the problem yourself or seek professional help.

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