Here follows an extract of a post found here on JCNA Forums concerning a recall of certain 2014-2015 XJ vehicles due to faulty brake line junctions.

Jaguar Land Rover North America (Jaguar) is recalling certain model year 2014-2015 Jaguar XJ vehicles manufactured February 6, 2014, to July 23, 2014. In the affected vehicles, the brake line junctions under the vehicle may leak brake fluid.

Jaguar will notify owners, and dealers will inspect the brake line junctions, tightening them as necessary, free of charge. The recall is expected to begin on January 16, 2015. Owners may contact Jaguar customer service at 1-800-452-4827. Jaguar’s number for this recall is J048.