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C1178 Infiniti Code - ABS Active Brake Booster

Quick Answer

The C1178 Infiniti code refers to an issue with the ABS Active Brake Booster system in the vehicle. Common causes include Faulty Active Brake Booster pump or motor, Vacuum leaks in the brake booster system, Electrical issues such as wiring faults or sensor malfunctions. 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
C1178 Infiniti indicates ABS Active Brake Booster.
Common causes
Common causes include Faulty Active Brake Booster pump or motor, Vacuum leaks in the brake booster system, Electrical issues such as wiring faults or sensor malfunctions.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code C1178 Infiniti Description

The C1178 Infiniti code refers to an issue with the ABS Active Brake Booster system in the vehicle. The Active Brake Booster is a component of the vehicle's anti-lock braking system (ABS) that helps improve braking performance by providing additional braking force when needed. When this code is triggered, it indicates a problem with the Active Brake Booster system, which can affect the vehicle's braking performance and overall safety.

OBDII Code C1178 Infiniti - ABS Active Brake Booster
C1178 Infiniti Code - ABS Active Brake Booster

Common Causes of C1178 Infiniti

  1. Faulty Active Brake Booster pump or motor
  2. Vacuum leaks in the brake booster system
  3. Electrical issues such as wiring faults or sensor malfunctions
  4. ABS module failure or communication errors
  5. Low brake fluid levels or contaminated brake fluid

Symptoms of C1178 Infiniti

  1. Illuminated ABS warning light on the dashboard
  2. Increased brake pedal effort required to stop the vehicle
  3. Decreased braking performance or responsiveness
  4. Unusual noises coming from the brake system
  5. ABS system engaging unexpectedly or inconsistently

How to Fix C1178 Infiniti

  1. Diagnose the ABS system using a professional diagnostic scan tool to retrieve the specific fault codes, including the C1178 code.
  2. Inspect the Active Brake Booster system for any visible signs of damage, leaks, or electrical issues.
  3. Test the Active Brake Booster pump and motor for proper operation and replace if necessary.
  4. Check for vacuum leaks in the brake booster system and repair or replace any damaged components.
  5. Clear the fault codes from the ABS system and perform a road test to verify that the issue has been resolved.

Cost to Fix C1178 Infiniti

The cost of repairing the ABS Active Brake Booster system can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the parts and labor for this type of repair can range from $300 to $800 or more. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to obtain a detailed estimate from a qualified technician based on the vehicle's make and model, as well as the severity of the issue.

What does this mean?

Tech Notes for C1178 Infiniti









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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 C1178 Infiniti Code

1. What are common symptoms of OBDII code C1178 in an Infiniti related to the ABS Active Brake Booster?

The common symptoms include the ABS warning light coming on, loss of power brakes, and possible issues with the vehicle's stability control system.

2. What are some possible causes of OBDII code C1178 in an Infiniti indicating an issue with the ABS Active Brake Booster?

Potential causes may include a faulty ABS Active Brake Booster, damaged wiring or connectors, low brake fluid level, or a malfunctioning ABS control module.

3. How can I diagnose the OBDII code C1178 in my Infiniti related to the ABS Active Brake Booster?

Diagnosis typically involves using a professional diagnostic scan tool to retrieve the specific fault code, inspecting the brake booster system for any visible damage, and testing the ABS components for proper functionality.

4. Can I still drive my Infiniti with OBDII code C1178 related to the ABS Active Brake Booster?

It is not recommended to drive your vehicle when experiencing issues with the ABS Active Brake Booster, as it may affect the braking performance and overall safety of the vehicle. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I repair OBDII code C1178 in my Infiniti associated with the ABS Active Brake Booster?

Repair options may include replacing the faulty ABS Active Brake Booster, repairing damaged wiring or connectors, ensuring proper brake fluid levels, and resetting the ABS system after the repair.

6. Is it possible to reset the OBDII code C1178 in my Infiniti related to the ABS Active Brake Booster without fixing the underlying issue?

While you may be able to clear the fault code temporarily, it is crucial to address the root cause of the problem to prevent the code from reoccurring and ensure the safe operation of your vehicle.

7. Can a DIY enthusiast repair OBDII code C1178 in an Infiniti indicating a problem with the ABS Active Brake Booster?

Repairing issues related to the ABS Active Brake Booster may require specialized tools and knowledge, so it is recommended to consult a professional mechanic or technician for proper diagnosis and repair.

8. Are there any preventive maintenance tips to avoid encountering OBDII code C1178 in an Infiniti due to the ABS Active Brake Booster?

Regularly checking and maintaining the brake system, including brake fluid levels and overall brake health, can help prevent potential issues with the ABS Active Brake Booster that may trigger the OBDII code C1178.

9. How long does it typically take to repair OBDII code C1178 in an Infiniti linked to the ABS Active Brake Booster?

The repair time can vary depending on the specific cause of the issue, the availability of parts, and the expertise of the technician. It is best to consult with a professional for a more accurate estimate of the repair timeline.

10. Is OBDII code C1178 in an Infiniti related to the ABS Active Brake Booster a common issue among vehicle owners?

While not as common as some other OBDII codes, issues related to the ABS Active Brake Booster can occur in vehicles over time, especially as the components age or experience wear and tear.

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