Deere & Co. unfairly forces farmers to visit authorized dealers to repair their equipment, resulting in higher prices than if they could fix it themselves or get help from independent shops, the Federal Trade Commission claims in a federal lawsuit filed Wednesday with the attorneys general of Illinois and Minnesota.

Minnesota Attorney General Keith Ellison is suing iconic tractor manufacturer John Deere over farmers’ rights to repair their own machines. Citing the frustration of farmers who are forced to rely on authorized dealers to fix broken-down tractors,

The latest chapter in the ongoing story of right to repair promises to be a controversial one. Deere & Company has long been under scrutiny from the Federal Trade Commission for restricting farmers’ right to repair tractors and combines bought from the company.