Abraham Jewett  |  June 10, 2024

Category: Auto News
A red 2022 Toyota RAV4 parked on the side of a scenic road, representing the Toyota class action.
(Photo Credit: Victor Maschek/Shutterstock)

Toyota coolant bypass valves class action lawsuit overview: 

  • Who: Geri Barrientos and Michael Foerst filed a class action lawsuit against Toyota Motor Sales U.S.A Inc., Toyota Motor Corporation and Toyota Motor North America Inc. 
  • Why: Barrientos and Foerst claim Toyota failed to disclose a coolant bypass valve defect affecting its model year 2019-2023 RAV4 and Corolla vehicles. 
  • Where: The class action lawsuit was filed in California federal court. 

Toyota failed to disclose that its model year 2019-2023 RAV4 and Corolla vehicles contain defective coolant bypass valves that fail prematurely, a new class action lawsuit alleges. 

Plaintiffs Geri Barrientos and Michael Foerst’s class action lawsuit claims Toyota “actively concealed material facts about the defect from consumers, including, among other things, that the vehicles were prone to the defect and require costly fixes to repair. 

“At all relevant times, Defendants knew, or through the exercise of reasonable care had reason to know, that the coolant bypass valves in the Class Vehicles were defective and that the existence of this Defect would materially affect Plaintiffs and the Class’s … decision to purchase the Class Vehicles,” the Toyota class action says. 

Barrientos and Foerst want to represent a nationwide class and Florida and California subclasses of consumers who bought or leased a model year 2019-2023 Toyota RAV4 or Corolla vehicle. 

Toyota coolant bypass valves can’t be repaired by automaker, class action claims 

Barrientos and Foerst argue Toyota is unable or unwilling to “adequately repair” the Corolla and RAV4 vehicles when the alleged coolant bypass valve defect manifests, despite allegedly being obligated to by warranty. 

“Despite the existence of the Warranties, Toyota failed to inform Plaintiffs and Class Members of the Defect and failed to adequately repair the Defect,” the Toyota class action says. 

Barrientos and Foerst claim Toyota is guilty of breach of express warranty and breach of implied warranty of merchantability, fraudulent concealment and unjust enrichment, and of violating the Magnuson-Moss Warranty Act, the Florida Deceptive and Unfair Trade Practices Act, and California’s Unfair Competition Law, Consumers Legal Remedies Act and Song-Beverly Consumer Warranty Act

The plaintiffs demand a jury trial and request declaratory and injunctive relief and an award of punitive damages for themselves and all class members. 

A consumer filed a separate class action lawsuit against Toyota earlier this year over claims the automaker falsely advertises the value of its prepaid ToyotaCare Plus maintenance plan. 

Have you purchased or leased a model year 2019-2023 Toyota RAV4 or Corolla vehicle? Let us know in the comments.

The plaintiffs are represented by Alison M. Bernal of Nye, Stirling, Hale, Miller & Sweet, LLP and Matthew D. Schelkopf and Joseph B. Kenney of Sauder Schelkopf. 

The Toyota coolant bypass valves class action lawsuit is Barrientos, et al. v. Toyota Motor Sales, U.S.A., Inc., et al., Case No. 4:21-cv-06770, in the U.S. District Court for the Northern District of California.


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221 thoughts onToyota class action alleges some vehicles contain defective coolant bypass valves

  1. Temi Atere says:

    My 2020 Toyota Corolla and 52,000 miles is having this same problem, I refuse to pay for their negligence. How do I get involved.

  2. A Vaida says:

    Our 2019 RAV4 with only 34k miles on it has this valve problem. Our dealership did the diagnostic machine at no charge for me to confirm this. They quoted $900 to repair the vehicle.

  3. Lydia Stockslader says:

    I just was quoted today over $1200 to replace this valve on my 2020 Toyota Rav4 XLE.

  4. Emily Rowley says:

    My 2020 Rav4 has had this message on the screen for a few weeks. Took it in told them about it, they did an inspection and routine maintenance, found nothing, $60. Took it back to do diagnostic, the scan only reported that the batter was the issue so we replaced that. $460 later the message is still there so I will be having ti take it back again to spend even more. I am just now finding how common this value issue is and that there is a class lawsuit filed for it! I am furious! I want to be involved. I am a 25 year old, financially independent and in school full time, I don’t have the funds and time to be wasting running in circle trying to fix an issue that no one knows about. I want to be involved!

  5. Iridiana Molina says:

    My car Toyota Corolla 2019 just had that notification pop out and are now charging me $1090 to get it fixed 😓

  6. Brittany Cottingham says:

    Engine Service light came on. Took it to the dealership and it’s for the coolant valve. It’ll cost at least $800 to replace. How do I join this lawsuit?

  7. Anthony Giotto says:

    So I have a 2020 Corolla SE and my wife had the Engine Maintenance Required message come up tonight while driving home. We believe it is this valve. How can we become involved in this lawsuit.

  8. Sydney says:

    This happened with my 2020 Toyota Rav 4 last year. Toyota even admitted that this was happening to several owners but wouldn’t be covering under warranty. On top of the matter. Wanted to charge 1000 for labor for under 100 dollars of parts.

  9. Peggy Kight says:

    M engine maintenance required came on at $67000 and taking it in the dealership in the morning

  10. Danny Harrison says:

    I also purchased a 2021 Toyota Corolla SE at exactly 44,140 miles the engine maintenance required visit. Your dealer display comes on the cluster and cannot be shut off due to a coolant bypass valve. This is absolutely insane that the company cannot fix what they’ve done and told consumers and people who buy these cars and spend their hard earned money on. Something needs to be done with this

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