Common Causes of Automatic Emergency Braking System Malfunctions in Nissan Vehicles

The automatic emergency braking (AEB) system is a vital safety feature in many modern cars, including Nissan vehicles. It helps prevent collisions by automatically applying the brakes when a potential crash is detected. This system can significantly reduce the risk of accidents, making driving safer for everyone.

However, like any technology, the AEB system can sometimes malfunction. When this happens, it can be frustrating and concerning for drivers. Understanding the common causes of these malfunctions can help you address issues promptly and ensure your AEB system works correctly. 

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Let’s explore the typical reasons why the AEB system might fail in Nissan vehicles and provide practical tips on how to maintain it effectively.

How the Automatic Emergency Braking System Works

The AEB system uses sensors and cameras to monitor the road ahead. These sensors constantly scan for obstacles, such as other vehicles or pedestrians. If the system detects a potential collision, it warns the driver with visual and audible alerts. 

If the driver does not respond in time, the system automatically applies the brakes to reduce the impact or avoid the collision altogether.

The key components of the AEB system include the following:

Sensors: These are usually located in the front bumper or grille. They detect objects in the vehicle’s path.

Cameras: Often mounted near the rearview mirror, cameras provide visual data to the system.

Control modules: These are the brains of the AEB system, processing data from sensors and cameras to make quick decisions.

Braking actuators: These components apply the brakes when the system determines that a collision is imminent.

Nissan Vehicles with AEB Problems

While automatic emergency braking (AEB) systems are designed to enhance vehicle safety, some models have reported recurring issues. Here are a few vehicles that have commonly experienced problems with their AEB systems:

  • Nissan Rogue
  • Nissan Altima
  • Nissan Murano
  • Nissan Maxima
  • Nissan Sentra

These Nissan models have reported issues such as false alerts, unexpected braking, and deactivation of the AEB system. Owners have experienced the “Front radar unavailable due to obstruction” message, sudden deceleration, and other malfunctions.

Common Causes of AEB System Malfunctions

The automatic emergency braking (AEB) system in your Nissan is designed to keep you safe, but it can sometimes malfunction. Here are the most common reasons why this might happen:

Sensor issues

Dirt, ice, or debris can block the sensors, preventing them from detecting objects accurately. Regularly cleaning the sensors can help avoid this issue.

If the sensors are not properly aligned, they may not function correctly. This can happen after minor accidents or even from hitting a pothole.

Sensors can fail or get damaged over time. If a sensor stops working, the AEB system might not detect obstacles properly.

Software glitches

Software bugs can cause the AEB system to malfunction. These bugs may cause the system to activate unnecessarily or fail to activate when needed.

Sometimes, updates to the car’s software can introduce new problems. It’s important to ensure that updates are installed correctly.

The AEB system interacts with other electronic systems in your car. If there are compatibility issues, the AEB system can malfunction.

Circuit board shows complexity of technology

Electrical problems

Damaged or loose wires can disrupt the connection between the sensors and the control modules, leading to intermittent or complete failure of the AEB system.

Corroded or loose connections can cause electrical problems. Ensuring that all connections are secure and clean can help maintain the system’s reliability.

A weak or failing battery can affect the performance of the AEB system. Ensuring that your car’s battery is in good condition is essential for the proper functioning of all electronic systems.

Mechanical failures

Problems with the brake system itself can affect the AEB system’s ability to stop the car. Regular brake maintenance is crucial.

The hydraulic system in your car helps control the brakes. If there are issues with this system, the AEB may not work properly.

Braking actuators are responsible for applying the brakes when needed. If these components fail, the AEB system will not function correctly.

External factors

Rain, snow, fog, and other weather conditions can affect the sensors and cameras, leading to temporary malfunctions.

Dirt and debris accumulating on the sensors and cameras can prevent them from working properly. 

Some electronic devices can interfere with the sensors and cameras, causing temporary issues with the AEB system.

Understanding these common causes of AEB system malfunctions can help you take steps to prevent them and ensure your Nissan’s AEB system continues to keep you safe on the road.

Preventative Maintenance Tips

Maintaining your Nissan’s automatic emergency braking (AEB) system is crucial for ensuring it functions correctly. Here are some preventative maintenance tips to keep your AEB system in top condition:

  • Clean sensors and cameras regularly to prevent dirt, ice, or debris from obstructing them.
  • Periodically inspect the sensors and cameras for any signs of damage or misalignment. 
  • Ensure that your car’s software and firmware are always up-to-date. 
  • Check your vehicle’s manual for instructions on performing updates. 
  • Drive cautiously and avoid situations that can strain the AEB system, such as tailgating or sudden braking.
  • Be mindful of weather conditions and road debris that can impact the sensors and cameras. 

These preventative maintenance tips can help ensure that your Nissan’s AEB system remains reliable and effective. Regular care and attention can prevent many common issues and keep you safe on the road.

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When to Contact a Professional

If the AEB warning light stays on, the system activates unnecessarily, or fails to activate when needed; it’s time to consult a professional. Persistent or unusual behavior from the AEB system warrants expert attention.

Look for certified Nissan mechanics or authorized dealerships. They have the tools and expertise to accurately diagnose and repair AEB system issues.

Visit the Nissan website or contact your dealership to check if your vehicle’s AEB system is being recalled. Recalls often provide free repairs for known issues.

How Do You Know If Your Nissan is a Lemon?

Your Nissan, equipped with Automatic Emergency Braking (AEB), may be considered a lemon if it exhibits the following issues:

  • “Front radar unavailable due to obstruction” message on your dashboard
  • Alerts or warnings of obstructions that do not exist
  • Unexpected vehicle deceleration
  • Sudden and unexpected braking
  • Sudden deactivation of the Forward or Automatic Emergency Braking system

Recurring problems with the automatic braking system can make your vehicle unsafe to drive. If Nissan or an authorized repair shop cannot resolve these issues within at least two repair attempts, your vehicle may qualify as a lemon.

The number of repair attempts considered “reasonable” can vary depending on the situation. The specific issues with the AEB system will also differ based on each consumer’s experience.

Consult a California lemon law attorney to understand your situation and legal rights. If you are part of any class action lawsuits, you may need to opt-out before the deadlines to retain your right to sue. 

Get Expert Guidance At Lemon Law Assist!

Ensuring your Nissan’s automatic emergency braking (AEB) system works correctly is crucial for your safety. Our lemon law firm specializes in helping drivers like you understand and address issues with their AEB systems.

From regular inspections and software updates to identifying and resolving persistent problems, we have the expertise to guide you. If your AEB system continues to malfunction despite taking all precautions, we can assist you in checking for recalls, understanding warranty coverage, and pursuing a lemon law claim if necessary.

Our expert attorneys can guide you through this process and help ensure your safety and satisfaction. Don’t let AEB system issues compromise your safety. Contact our expert team now for a free case review to explore your legal options. We are here to protect your rights and keep you safe on the road.

Frequently Asked Questions

What does it mean when the automatic emergency braking system warning light comes on?

When the automatic emergency braking (AEB) system warning light comes on, it indicates a potential issue with the AEB system. This warning could mean that the system has detected a malfunction, an obstruction is blocking the sensors, or there is a software problem. It is important to address this warning promptly to ensure your vehicle’s safety features are functioning correctly.

Why is my AEB warning light on?

The AEB warning light may be on for several reasons, including dirty or obstructed sensors, misaligned sensors, software glitches, or electrical issues. Regular maintenance, such as cleaning the sensors and installing software updates, can help prevent these issues. If the light remains on, it’s best to have your vehicle inspected by a professional.

How do you turn off automatic emergency braking on Nissan?

To turn off the automatic emergency braking (AEB) system on a Nissan, you typically need to access the vehicle’s settings through the infotainment system or dashboard controls. Navigate to the driver assistance settings, find the AEB option, and select “Off” or “Disable.” 

What is the automatic braking system light on a Nissan?

The automatic braking system light on a Nissan indicates that there is an issue with the AEB system. This light alerts the driver to potential problems such as sensor obstructions, system malfunctions, or software errors. Addressing this light promptly is important to maintain the safely and functionality of your vehicle’s braking system.

Can I drive with my AEB light on?

While you can drive with the AEB light on, it is not recommended. The AEB light indicates that the system may not be functioning correctly, which could compromise your vehicle’s safety features. It is important have your vehicle inspected and repaired as soon as possible to ensure the AEB system is working properly.

Why is my automatic brake system light on?

The automatic brake system light can be on for various reasons, including sensor issues, electrical problems, software glitches, or mechanical failures in the braking system. It signals that there is a potential problem that need attention. Ensure that your vehicle is checked by a qualified mechanic to diagnose and fix the issue.

We are committed to thoroughly reviewing your case and providing expert advice regarding your legal options. Contact us now at 424-403-2820 for a free consultation

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Nissan offers warranties that may cover CVT transmission problems. Knowing what is covered and how to file a claim is essential. This guide will help you navigate the warranty process and explain what to do if your claim is denied.

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