AutoCodes – Generic – C1142

C1142 Code - Brake Fluid Pressure Sensor Circuit

Quick Answer

The Brake Fluid Pressure Sensor converts the brake fluid pressure to an electric signal and transmits it to the Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit). Common causes include Faulty Brake Fluid Pressure Sensor, Brake Fluid Pressure Sensor harness is open or shorted, Brake Fluid Pressure Sensor 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: C1142 indicates Brake Fluid Pressure Sensor Circuit.
Common causes: Common causes include Faulty Brake Fluid Pressure Sensor, Brake Fluid Pressure Sensor harness is open or shorted, Brake Fluid Pressure Sensor 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.

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Code Popularity 24,439

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1142 Description

The Brake Fluid Pressure Sensor converts the brake fluid pressure to an electric signal and transmits it to the Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit). The ABS Actuator And Electric Unit monitor the Brake Fluid Pressure Sensor. The ABS Actuator And Electric Unit set the OBDII code when the Brake Fluid Pressure Sensor is not to factory specifications.

OBDII Code C1142 - Brake Fluid Pressure Sensor Circuit - AutoCodes.com — C1142 Code - Brake Fluid Pressure Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC C1142?

Faulty Brake Fluid Pressure Sensor
Brake Fluid Pressure Sensor harness is open or shorted
Brake Fluid Pressure Sensor circuit poor electrical connection
Faulty Stop Lamp Switch
Faulty ABS Actuator And Electric Unit

How to Fix the DTC C1142?

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 C1142 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 C1142 code?

Need more information on how to fix the C1142 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1142 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1142 Infiniti — Brake Fluid Pressure Sensor Circuit
C1142 Nissan — Brake Fluid Pressure Sensor Circuit

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 C1142 Code

1. What are the common symptoms of OBDII code C1142 (Brake Fluid Pressure Sensor Circuit)?

- Common symptoms include the ABS warning light illuminating on the dashboard, loss of ABS functionality, and potential issues with the brake system.

2. What are the possible causes of OBDII code C1142?

- The code C1142 can be caused by a faulty brake fluid pressure sensor, damaged wiring or connectors in the sensor circuit, low brake fluid levels, or issues with the ABS module.

3. How can I diagnose the cause of OBDII code C1142?

- Diagnosing the code typically involves checking the brake fluid levels, inspecting the brake fluid pressure sensor and its wiring for damage, and using a diagnostic scanner to retrieve more detailed information from the ABS system.

4. Can I continue driving my vehicle with OBDII code C1142 present?

- It is not recommended to drive the vehicle with code C1142 present, as it can affect the proper functioning of the ABS system, potentially compromising braking performance and safety.

5. What are the repair options for OBDII code C1142?

- Repair options may include replacing the faulty brake fluid pressure sensor, repairing damaged wiring or connectors, refilling the brake fluid reservoir, or reprogramming the ABS module.

6. How much does it typically cost to repair OBDII code C1142?

- The cost of repairing code C1142 can vary depending on the extent of the issue, the parts needed for repair, and labor charges. It is advisable to consult with a mechanic for an accurate estimate.

7. Are there any DIY tips for addressing OBDII code C1142?

- DIY tips may include checking and refilling the brake fluid reservoir, inspecting the sensor wiring for visible damage, and ensuring proper connections before seeking professional help if needed.

8. Can OBDII code C1142 be reset without fixing the underlying issue?

- While the code can be cleared using a diagnostic scanner, it is crucial to address the root cause of the problem to prevent the code from reoccurring and ensure the proper functioning of the brake system.

9. How long does it take to repair OBDII code C1142?

- The repair time for code C1142 can vary depending on the specific issue and the expertise of the mechanic. It is advisable to inquire with the repair shop for an estimated timeframe.

10. Is OBDII code C1142 a serious issue that requires immediate attention?

- OBDII code C1142 should be taken seriously as it affects the ABS system, which plays a crucial role in vehicle safety. It is recommended to address the issue promptly to maintain optimal braking performance.