Ford Motor Credit Corp. and some minority customers involved in a lawsuit against the finance company announced they have been unable to devise a lending policy that satisfies both sides, reported the Nashville City Paper in Tennessee.

In March, U.S. District Judge Aleta Trauger said she was prepared to issue an injunction against Ford Motor Credit but gave both sides the opportunity to reach a resolution out of court. Attorneys for Ford and the plaintiffs filed papers notifying the court of the stalemate.

The judge is expected to hold a status conference outlining the next steps in the case.

Trauger’s ruling would be the first in a series of discrimination lawsuits that have challenged the auto finance industry’s 80-year-old markup practice. Other finance companies, such as those run by Nissan and General Motors, have settled out of court by reducing the markups they allow.