AutoCodes – Toyota – C142A 2016 Toyota RAV4

C142A 2016 Toyota RAV4 Code - Master Cylinder Pressure Sensor Internal 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
C142A 2016 Toyota RAV4 indicates Master Cylinder Pressure Sensor Internal 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 203
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 29, 2023
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Code C142A 2016 Toyota RAV4 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 C142A 2016 Toyota RAV4 - Master Cylinder Pressure Sensor Internal Malfunction - AutoCodes.com
C142A 2016 Toyota RAV4 Code - Master Cylinder Pressure Sensor Internal Malfunction

What are the Possible Causes of the DTC C142A 2016 Toyota RAV4?

  • 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 C142A 2016 Toyota RAV4?

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 C142A 2016 Toyota RAV4 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 C142A 2016 Toyota RAV4 code?

Need more information on how to fix the C142A 2016 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C142A 2016 Toyota RAV4 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 C142A 2016 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C142A in a 2016 Toyota RAV4?

The common symptoms include the illumination of the check engine light, potential loss of brake assist, and a decrease in overall braking performance.

2. What does the OBDII code C142A for a 2016 Toyota RAV4 indicate?

Code C142A indicates a Master Cylinder Pressure Sensor Internal Malfunction, suggesting an issue with the pressure sensor within the brake system.

3. What are possible causes of the Master Cylinder Pressure Sensor Internal Malfunction in a 2016 Toyota RAV4?

Potential causes include a faulty pressure sensor, wiring issues, a problem with the brake fluid level sensor, or a malfunction in the brake system's electronic control unit (ECU).

4. How can I diagnose the Master Cylinder Pressure Sensor Internal Malfunction in my 2016 Toyota RAV4?

Diagnosing this issue typically involves using an OBDII scanner to retrieve the specific fault code, checking the wiring and connections related to the pressure sensor, and performing a thorough inspection of the brake system components.

5. Is it safe to continue driving my 2016 Toyota RAV4 with OBDII code C142A?

It is not recommended to drive the vehicle with this code present, as it can lead to potential brake system malfunctions and compromise the safety of the vehicle.

6. Can I repair the Master Cylinder Pressure Sensor Internal Malfunction in my 2016 Toyota RAV4 myself?

While some DIY enthusiasts may attempt to address this issue, it is advisable to seek professional help due to the complexity of the brake system and the importance of ensuring proper repairs.

7. How much can I expect to pay to fix the Master Cylinder Pressure Sensor Internal Malfunction in a 2016 Toyota RAV4?

The cost of repairs can vary depending on the exact cause of the issue, but it may range from a few hundred dollars to over a thousand dollars, including parts and labor.

8. Will resetting the OBDII code C142A in my 2016 Toyota RAV4 make the issue go away?

Simply resetting the code without addressing the underlying problem will not resolve the Master Cylinder Pressure Sensor Internal Malfunction. It is essential to diagnose and fix the root cause of the issue.

9. Can a malfunctioning Master Cylinder Pressure Sensor affect other systems in my 2016 Toyota RAV4?

Yes, a malfunctioning pressure sensor can potentially impact the overall performance of the brake system and other related safety systems in the vehicle.

10. How often does the Master Cylinder Pressure Sensor Internal Malfunction occur in a 2016 Toyota RAV4?

While not extremely common, issues with the pressure sensor can arise due to various factors, including wear and tear, electrical faults, or sensor degradation. Regular maintenance and inspections can help prevent such problems.

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