2024 – 2025 Chevrolet, GMC, and Buick Braking System Issues

Potential Chevrolet, GMC, and Buick Braking System Issues

Protecting Drivers Affected by Critical Brake Failures

The auto product liability attorneys at McCune Law Group (MLG) are investigating potential issues related to the 2024–2025 Chevrolet Traverse, 2024–2025 GMC Acadia, and the 2025 Buick Enclave. In these vehicles, critical safety features such as brake assist, electronic stability control, anti-lock braking, and park assist can suddenly become disabled, leaving the vehicle unsafe to operate. Many owners have learned that the underlying cause is an impacted master brake cylinder or related component, with replacement parts on national backorder. This means families are being forced to drive unsafe vehicles, go without reliable transportation, or pay out-of-pocket for rentals while waiting weeks or months for repairs. 

Models and Years Affected:

• 2024 Chevrolet Traverse
• 2025 Chevrolet Traverse
• 2024 GMC Acadia
• 2025 GMC Acadia
• 2025 Buick Enclave

How Do I Know If I May Qualify to Join This Action?

You do not need to have experienced the potential issue to qualify for a lawsuit. You may qualify to join this action if:

• You are a resident of California, Texas, Illinois, Michigan, Pennsylvania, New York, or New Jersey and have purchased the vehicle in one of those states
• Simply own the listed vehicles
• Purchased or leased the vehicle new or certified used in the listed states
• Have experienced braking system issues with your vehicle
• You have been told by a GM dealership that you need to have your master brake cylinder replaced but that the necessary parts are currently unavailable

Contact our team today by calling (909) 345-8110 or by completing our online form.

The Braking System Issue

Reports from drivers, complaints filed with the National Highway Traffic Safety Administration (NHTSA), and online forum discussions reveal a dangerous pattern: key safety systems are failing, leaving drivers without full braking capability and putting everyone on the road in danger. 

Owners have reported issues such as:

• ABS light or “Service Brake System” warning
• Brake pedal becomes stiff or hard to press
• Reduced braking performance or complete brake failure
• Full brake master cylinder replacement needed
• Long repair delays due to national part shortages
• Extended periods without a drivable vehicle

These warnings often appear alongside ABS, traction control, and forward collision system lights. In some cases, cruise control is disabled entirely. The underlying issue appears to be a malfunctioning master brake cylinder, a component essential to generating hydraulic pressure for braking. When this part fails, drivers may experience longer stopping distances, unpredictable brake response, or complete brake failure. 

Current Status of the Brake Defect Investigation

While no official recall has been announced, reports indicate a consistent defect pattern tied to the E-Boost module. The missing internal cartridge seal reduces braking effectiveness, requiring full brake master cylinder replacement. Nationwide part shortages are causing significant delays, leaving many owners without safe transportation. 

Why This Issue Poses a Serious Safety Risk

A malfunctioning braking system is not just an inconvenience; it is a direct and immediate safety hazard. The ability to stop a vehicle quickly and predictably is essential to avoid collisions, particularly in emergency situations. A master brake cylinder failure can lead to increased stopping distances, reduced braking force, or, in extreme cases, complete loss of braking ability. When electronic stability control (ESC) and anti-lock braking systems (ABS) also fail alongside the primary brakes, the driver loses additional safeguards designed to maintain control during sudden stops or slippery conditions.

This combination of mechanical and electronic failures can greatly increase the risk of rear-end collisions, intersection accidents, and loss of control events. Furthermore, many affected owners report that dealerships cannot obtain the necessary replacement parts for weeks or months, leaving them with unsafe vehicles, or forcing them to drive without full braking capability. This makes prompt legal action critical, even if the issue has not yet manifested in your vehicle.

Questions and Answers

• California
• Texas
• Illinois
• Michigan
• Pennsylvania
• New York
• New Jersey

Steps to Take if You Own or Have Been Affected by This Alleged Braking System Issue

If your Chevrolet Traverse, GMC Acadia, or Buick Enclave has experienced braking system failures, or if you simply own one of these affected vehicles, it is important to act quickly. Even if your vehicle has not yet shown symptoms, the potential safety concern presents a serious risk to safety and may entitle you to legal remedies. Here is what to do next:

Document the Problem Thoroughly: If you have experienced brake-related warning lights or loss of braking ability, take clear photographs or videos of the dashboard messages and any other visible signs of the issue. Write down when the problem began, how the vehicle was behaving, and whether the issue impacted your ability to stop or control the vehicle. If you heard unusual sounds like clicking from the brake pedal or dashboard, include that in your notes.

Gather Supporting Documentation: Keep all records related to your ownership and any repair attempts. This includes dealership service tickets, brake inspections, repair estimates, warranty information, rental car receipts, and any written statements that parts (such as the master brake cylinder) are on national backorder. If your dealership provided a loaner or refused one, document that as well.

File a Complaint with the NHTSA: Submitting a complaint to the National Highway Traffic Safety Administration helps create an official record of the problem and contributes to a broader database of similar cases. Provide detailed information about the warnings displayed, the circumstances under which they occurred, and whether the issue affected your ability to operate the vehicle safely.

Contact McCune Law Group for a Free Case Evaluation: Whether your brakes have already failed or you simply own one of the affected models, we want to hear from you. We will review your situation at no cost, explain your rights, and determine whether you may qualify for compensation, buyback, or other legal remedies. You do not need to have experienced the alleged safety issue for us to evaluate your claim, ownership alone may be enough to take action.

Frequently Asked Questions

Contact our Team Today!

Our auto product liability attorneys have an expansive understanding of both the automotive industry and the technical details of automotive engineering. With decades of experience in bringing and winning successful lawsuits, we are dedicated to not only making sure our clients are properly taken care of over their lifetime but also to holding negligent carmakers accountable for their actions. 

If you own a 2024–2025 Chevy Traverse, 2024–2025 GMC Acadia, or 2025 Buick Enclave in California, Texas, Illinois, Michigan, Pennsylvania, New York, or New Jersey and have experienced brake issues, you may qualify for legal action. Call McCune Law Group today or complete our secure online form for a free, no-obligation case evaluation.

Call (909) 345-8110 or complete our online form today to schedule your free case evaluation.

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McCune Law Group, APC is responsible for this advertisement. The information provided on this website is for general information purposes only. The information you obtain is not, nor is it intended to be, legal advice. Use of this website or submission of the online form does not create an attorney-client relationship.

Counsel Richard McCune is licensed to practice only in the state of California. The law firm of McCune Law Group has attorneys licensed to practice law in AZ, CA, MO, NY, and PA. McCune Law Group is a national firm that brings lawsuits in a majority of the states. In states where one of its attorneys is not barred, it does so by filing the complaint along with local counsel barred in that state.

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