There are 2 stored owner reports matching the brakes leading-label group for the 2015 Jaguar XJ in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)MY 2015 JAGUAR XJ , WHICH WAS IN PARK GEAR - WITH ENGINE RUNNING, STARTED ROLLING BACK ON THE DRIVEWAY IN A DANGEROUS AND UNEXPLAINED FASHION AND ALMOST HIT MY KIDS AND I. THERE WAS NO-ONE IN THE CAR, AND I WAS ABLE TO BRING THE CAR TO A STOP BY JUMPING IN AND SLAMMING THE BRAKES. THE CAR WAS ROLLING, NOT SLIDING. THE SURVEILLANCE CAMERA CAUGHT THIS SCARY MOMENT AND YOU CAN VIEW THAT AT THE LINK BELOW HTTPS://DRIVE.GOOGLE.COM/FILE/D/1_NFUQM9JZBIFLLVDKF7-H5YU2OD6OO0F/VIEW?USP=DRIVESDK
TL* THE CONTACT OWNS A 2015 JAGUAR XJ. THE CONTACT STATED THAT WHILE HIS WIFE WAS DRIVING APPROXIMATELY 20 MPH, THE VEHICLE INDEPENDENTLY ACCELERATED TO APPROXIMATELY 50-60 MPH. THE CONTACT STATED THE DRIVER APPLIED THE BRAKES HOWEVER, THE BRAKES FAILED TO STOP THE VEHICLE. THE DRIVER KEPT THE BRAKE PEDAL DEPRESSED UNTIL THE VEHICLE FINALLY CAME TO A STOP. THE CONTACT WAS UNSURE IF THERE WERE ANY WARNING LIGHTS ILLUMINATED. THE CONTACT HAD NOT CONTACTED THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 34,900.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.