The Alleged Defect
Several class-action lawsuits allege that certain Honda and Acura automatic transmissions — in models such as the 2017–2019 Honda Odyssey and 2014–2019 Honda Pilot, and some Acura MDX and RDX years — shudder, judder, vibrate, hesitate or surge. The suits point to a “torque-converter lock-up clutch” issue, allegedly tied to transmission fluid that degrades and causes the shaking. Importantly, these are conventional automatic (and some nine-speed) transmissions, not the belt-driven CVTs at issue in other automakers’ cases — a distinction worth keeping straight.
Owners say the shaking can appear at highway speeds or under light acceleration, and that fluid changes or repairs do not always resolve it.
Honda's Response and the Litigation
Honda extended the warranty on roughly 1.2 million Honda and Acura vehicles with certain automatic transmissions, while stating that only a small percentage had experienced problems. The class actions seek broader relief — arguing Honda sold the vehicles without disclosing the defect and should cover repairs and compensation. The litigation has been active, with cases at various stages rather than a single large settlement, and attorneys have also investigated shaking complaints in additional models and transmission types.
So the current landscape is an extended-warranty gesture from Honda plus ongoing lawsuits seeking more, rather than a finished class settlement.
What Owners Should Know
If your Honda or Acura shakes or judders, check whether an extended warranty or technical service bulletin covers your model and have the transmission inspected while any coverage applies. Keep records of the symptoms and every repair visit. Following the official case dockets, rather than marketing sites, is the reliable way to know if a settlement with a claims process ever opens for your vehicle.
Before You Act
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Honda Transmission Judder Lawsuit: The Odyssey and Pilot Claims: Frequently Asked Questions
Answers to the most common questions about this case and your legal options.
What is the Honda transmission judder lawsuit about?
Class actions allege certain Honda and Acura automatic transmissions (in models like the 2017-2019 Odyssey and 2014-2019 Pilot) shudder and hesitate due to a torque-converter lock-up clutch issue tied to degrading fluid.
Is this a CVT problem?
No. These cases involve conventional automatic and some nine-speed transmissions, not the belt-driven CVTs at issue in some other automakers' lawsuits.
What has Honda done?
Honda extended warranties on roughly 1.2 million Honda and Acura vehicles with certain transmissions, while saying only a small share had problems. Class actions seeking broader relief remain active, with no single large settlement.
Legal Disclaimer
This article is general legal information, not legal advice, and does not create an attorney-client relationship. Case status, eligibility criteria, and any amounts described are as reported at the date shown and may change. Consult a licensed attorney in your jurisdiction about your own situation.