Yes, the National Highway Traffic Safety Administration (NHTSA) has logged several consumer complaints from vehicle owners regarding leaking in the 2021 Bronco. More specifically, the leak comes through the A-pillar on the passenger side and in some cases, the driver side A-pillar. Ford issued technical service bulletin 21-2403 regarding this issue on November 15, 2021. The TSB states: “Some 2021 Bronco vehicles may experience a water leak that originates from the left and/or right A-Pillars
and/or the windshield header. This may be due to excessive gaps in the body seams from the factory.” The TSB goes on to detail the steps to repair the roof leak for dealers.