When you’re driving, you expect your vehicle to perform reliably and protect you in the event of a crash. But when an undetected or unaddressed defect compromises the integrity of your car, the consequences can be devastating. From defective brakes to faulty wiring, auto defects can lead to car accidents, severe injuries, or even vehicle fires.
Understanding the most common causes of auto defects is critical not just for vehicle safety, but also for pursuing accountability when manufacturers fail to uphold safety standards. At Brown Chiari LLP, our law firm helps clients who have suffered due to vehicle defect issues across New York. If you or a loved one has been injured, you may be eligible to pursue compensation through legal action.
Let’s explore the causes behind auto defects, how they relate to car accidents, and your legal rights under U.S. consumer protection laws.

What Are Auto Defects?
Auto defects refer to flaws in a vehicle’s design, components, or manufacturing process that make the vehicle unsafe to drive. These defects often lead to mechanical failure, making it harder or even impossible for a driver to maintain control of the car. Whether they affect the antilock brake system, electrical systems, or steering wheel, defects can cause catastrophic outcomes at high speeds or in critical moments.
The Most Common Causes of Auto Defects
The root causes of most vehicle defects can often be traced to one or more of the following:
1. Manufacturing Errors
The most common cause of auto defects is a failure during the vehicle manufacturing process. If a defective part is installed or assembled incorrectly, it may lead to brake failure, faulty suspension, or other issues. In some cases, entire batches of vehicles are recalled because of widespread problems introduced on the production line.
2. Design Defects
Design flaws can make a vehicle inherently dangerous even if it’s manufactured properly. Poorly designed fuel systems, weak sidewalls in tires, or overly sensitive brake lines can all compromise safety and lead to unexpected car accidents.
3. Use of Substandard Materials
Cutting costs with low-grade materials can result in weak or malfunctioning components, such as defective tires or faulty wiring. Electrical shorts can occur when wires degrade or are exposed, and poorly constructed components can catch fire under strain.
4. Lack of Routine Maintenance or Oversight
While drivers are responsible for regular maintenance, vehicle manufacturers are required to provide guidance for safety and servicing. Inadequate instructions or missing recall notices may prevent owners from knowing they need to replace failing parts like windshield wipers or brake lights.
5. Failure to Issue Recalls
Vehicle manufacturers must issue recalls when they learn about dangerous defects. Failure to act can lead to ongoing accidents, injuries, and legal liability. Ignoring known problems with defective airbags or defective fuel systems is both unethical and legally risky.
Examples of Common Vehicle Defects
Below are some of the most common vehicle defects that lead to car accidents:
- Brakes: From faulty brake lines to defective brake fluid systems, braking issues are a top cause of crashes. Problems with a vehicle’s dual brake system or antilock brake system can cause a driver to lose control and result in a car crash.
- Electrical systems: Defects in wiring, fuses, or control modules can cause electrical shorts or malfunctioning airbags.
- Defective tires: Weak sidewalls and poor tread design can cause tire blowouts and compromise control.
- Faulty suspension: A defective suspension can cause instability at high speeds, increasing the risk of rollovers.
- Defective part installations: Malfunctioning steering wheels or turn signals due to improper installation can reduce a driver’s ability to respond safely.
How Auto Defects Cause Accidents
When auto defects emerge at the wrong time, they can turn any routine trip into a life-threatening event. Imagine hitting your brakes on a wet road, only to discover that your brake fluid has leaked or your antilock brake system has failed. These scenarios can cause the driver to lose control and end in a serious auto accident.
Other common outcomes of auto defects include:
- Car accidents caused by loss of control due to defective brakes
- Malfunctioning airbags that fail to deploy in a crash
- Car fires caused by faulty electrical systems or defective fuel systems
- Accidents due to broken windshield wipers or failed turn signals in poor weather
- Steering wheel issues that prevent maneuvering in time
Holding Manufacturers Accountable
If a defect caused or contributed to your accident, the vehicle manufacturer may be liable. Product liability laws protect consumers from unsafe vehicles and require that manufacturers design, build, and test cars to meet federal safety standards.
Victims can often file claims against the vehicle manufacturer, the supplier of the defective part, or any party in the manufacturing chain. These claims are highly technical and benefit from experienced legal guidance.

Legal Options After an Accident Caused by a Defect
When an accident occurs due to a vehicle defect, victims can seek compensation for:
- Medical costs and lost income
- Pain, suffering, and emotional trauma
- Property damage and rehabilitation expenses
Our law firm can help you understand your legal options. We’ll gather evidence, consult technical experts, and represent you in claims against negligent manufacturers.
How Brown Chiari LLP Can Help
At Brown Chiari LLP, we offer legal representation to clients injured in accidents involving vehicle defects. Our attorneys are skilled at identifying the root cause of auto defects and holding the responsible party accountable. Whether the issue lies in faulty brakes, defective tires, or electrical systems, we know how to build strong cases and pursue justice for our clients.
We provide free consultation to evaluate your case and explain how to move forward. From routine maintenance failures to major design flaws, we have handled a wide range of defect claims and helped clients recover the compensation they deserve.
Learn more about What Are the Most Common Causes of Auto Defects. Call Brown Chiari LLP at (716) 681-7190 to schedule your free, no-obligation consultation. You can also reach us anytime through our contact page. Let us help you take the first step toward justice and recovery.
FAQs: Common Auto Defect Cases in New York
What is considered a vehicle defect?
Any flaw in a car’s design, manufacturing, or components that compromises safety can be a defect. This includes defective brakes, faulty wiring, and electrical shorts.
Can a vehicle manufacturer be sued for a car accident caused by a defect?
Yes. If a defect caused your accident, you may have grounds to sue the vehicle manufacturer under product liability law.
What are some signs that a defect caused my crash?
Unusual vehicle behavior like brake failure, unexpected acceleration, or steering loss may indicate a defect. It’s important to have your vehicle inspected after a crash.
Are there recalls for every defect?
No. While manufacturers are supposed to issue recalls, many defects go unaddressed. You can check for open recall notices on the National Highway Traffic Safety Administration (NHTSA) website.
What compensation can I pursue for a defect-related accident?
You may be eligible to recover damages for medical expenses, lost wages, property damage, and pain and suffering.