India, June 30 -- A meeting between the chief executives of General Motors Co. and Fiat Chrysler Automobiles NV was put on hold after a federal appeals court blocked a judge's order requiring them to confer face-to-face to resolve a lawsuit.

US District Judge Paul Borman in Detroit last week told GM's Mary Barra and Fiat Chrysler's Mike Manley to talk in person by July 1 to try to resolve the lawsuit over bribes paid to union officials, which he called a "waste of time and resources" during the coronavirus pandemic. He scheduled a video conference with the two CEOs for that day to get an update on the talks.

GM asked the US Court of Appeals in Cincinnati to overturn Borman's ruling and reassign the case to another judge. The court on Mond...