Service bulletins for the 2021 Ford Bronco
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
322 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Glass, wipers and mirrors are shown. Show all
| TSB 22-2074 | 2022-03-08. Service bulletin. STRUCTURE:FRAME AND MEMBERS; VISIBILITY:WINDSHIELD. Some 2021-2022 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. To correct the condition, follow the Service Procedure to reseal the affected body gaps and replace the front header seal. |
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| TSB 22-2018 | 2022-02-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT. Some 2021 Broncos may exhibit a whistle noise coming from the front center of the vehicle and/or the climate control housing. This may be due to the sealing on the climate control case. To correct the condition, follow the Service Procedure to apply butyl tape to cover small holes in the fresh air inlet door. |
| TSB 22-2218 | 2022-02-04. Service bulletin. EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Some 2021 Broncos may exhibit a whistle noise coming from the front center of the vehicle and/or the climate control housing. This may be due to the sealing on the climate control case. To correct the condition, follow the Service Procedure to apply butyl tape to cover small holes in the fresh air inlet door. |
| TSB 21-2403 | 2021-12-01. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; VISIBILITY:WINDSHIELD. 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. To correct the condition, follow the Service Procedure to reseal the affected body gaps and replace the front header seal. |
| SSM 50199 | 2021-10-29. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. Some 2021 Broncos equipped with the Base, Big Bend, Black Diamond and/or Badlands trim levels built on or before 23-Jun-2021 may exhibit a whistle type noise coming from the drivers side mirror area of the vehicle. This may be caused by an excessive gap between the exterior mirror cover and glass housings. If the source of the noise is coming from the drivers door mirror assembly an updated exterior mirror cover is available to correct this condition. |
| SSM 50029 | 2021-09-04. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; VISIBILITY. Some 2021 Broncos equipped with the Base, Big Bend, Black Diamond and/or Badlands trim levels may exhibit a whistle noise coming from the drivers side mirror area of the vehicle. This may be due to an excessive gap between the exterior mirror cover and the glass housing. This condition does not affect vehicle durability and no additional diagnosis or service is required for this condition at this time. Inform customers that they can continue to drive the vehicle and engineering is currently working on a solution for this condition that is expected in October 2021. Replacement of the mirror and/or mirror cover will not resolve this condition. Monitor OASIS for additional information and schedule service appointments for customers once the repair becomes available. |
| SSM 50005 | 2021-09-04. Service bulletin. VISIBILITY:GLASS, SIDE/REAR; VISIBILITY. Some 2021 Bronco vehicles may exhibit a side door window that gets hung up on the upper door weatherstrip when opening the door causing resistance to opening. This may be due to an incorrect alignment of the side door and/or window. To correct this condition, ensure no damage exists to the door, latch or related components and make necessary repairs before continuing. If concern persists, perform the Up/Down, Fore/Aft Adjustment (steps 1-15), refer to Workshop Manual (WSM), Section 501-11, Front/Rear Door Window Glass Adjustment Procedure. If the concern has not been resolved, perform Pinpoint Test K located in Section 501-11 of the WSM. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.