GM Sierra, Silverado Transmission Defect Class Action
Case Overview
Two California consumers initiated a class action lawsuit against General Motors LLC, alleging that the company equipped its Sierra, Silverado, Canyon, and Colorado pickups with a faulty Hydra-Matic 8L90 or 8L45 transmission. The lawsuit claims that GM sold thousands of these trucks while being aware of a common design flaw that causes issues such as harsh shifting, jerking, and hesitation in lower gears.
The plaintiffs assert that GM knew about the transmission problems as early as 2013 but continued selling the vehicles without disclosing the defect. The legal claims involve allegations that GM violated California's Consumers Legal Remedies Act and Unfair Competition Law by concealing this defect. The suit also references a December 2023 GM technical service bulletin that the plaintiffs argue proves GM knew dealer fixes would be ineffective.
The lawsuit seeks to represent California consumers who purchased a 2019 Sierra, Silverado, Canyon, or Colorado with the specified transmission built after March 1, 2019. The plaintiffs are demanding a jury trial and asking the court to certify the class. The lawsuit is currently filed in the U.S. District Court for the Eastern District of Michigan.
Who May Qualify
California consumers who purchased a 2019 GMC Sierra, Chevrolet Silverado, GMC Canyon, or Chevrolet Colorado equipped with the 8L90 or 8L45 transmission built after March 1, 2019.
Frequently Asked Questions
What specific transmissions are at issue in this lawsuit?
The lawsuit concerns the Hydra-Matic 8L90 or 8L45 transmissions installed in the affected vehicles.
What types of vehicles are covered by this class action?
The class action covers GMC Sierra, Chevrolet Silverado, GMC Canyon, and Chevrolet Colorado pickups.
What laws are the plaintiffs alleging GM violated?
The plaintiffs accuse GM of violating California's Consumers Legal Remedies Act and Unfair Competition Law by hiding the defect.
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