2021 Ford Bronco Technical Service Bulletins

324 technical service bulletins (TSBs) are on record for the 2021 Ford Bronco. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10201909Sep 30, 2021Body and structure, Other or unknown. Certain 2021 Model Year Bronco Vehicles Equipped with a Hard Top Roof Roof Panel Delamination; In all of the affected vehicles, the exposed or unsealed edges on the molded in color hard top roof may cause an unsatisfactory appearance when exposed to extreme water and humidity. This concern is strictly an appearance issue as the function of the roof is uncompromised.
• 10201602Sep 24, 2021Electrical system, Equipment. Some 2021 Bronco vehicles equipped with front and rear parking aid sensors may set diagnostic trouble codes (DTCs) for all 8 parking aid sensors and/or circuits. This may be due to the software within the parking aid module (PAM). To correct the condition, reprogram the PAM using the latest software level of the appropriate Ford diagnostic scan tool. For claiming, use causal part 15K866 and applicable labor…
• 10201601Sep 24, 2021Electrical system, Equipment. Some 2021 Bronco vehicles may experience multiple warning indicators / messages displayed in the instrument panel cluster (IPC) and/or multiple communication fault diagnostic trouble codes (DTC) setting in and/or related to the HS2-CAN modules. This may be due to a loose and/or improperly seated connector C210. If the vehicle exhibits the above conditions, access and inspect connector C210 for proper attachment…
• 10201624Sep 13, 2021Electrical system, Air bags. Some 2020-2021 Explorer/Aviator and 2021 Bronco vehicles may exhibit an illuminated airbag warning indicator with diagnostic trouble code (DTC) B1404:13 and/or B1407:13. This may be due to contamination and relative movement in the connection between the wiring harness and the side airbag. To correct the condition, follow the Service Procedure steps to replace the affected connector with a service pigtail and the…
• 10201578Sep 3, 2021Electrical system. Some 2021 Bronco 5 door models equipped with a hard top roof configuration may exhibit poor Sirius XM satellite radio reception and or signal loss in rural areas with dense foliage, tall buildings, or other similar obstructions. No additional diagnosis or service is required for this condition at this time.
• 10201065Aug 31, 2021Body and structure. Some 2021 Bronco vehicles equipped with a hard top may exhibit a loose and/or sagging headliner. This may be due to the factory installation process. To correct the condition, follow the Service Procedure to re-adhere the headliner.
• 10201034Aug 25, 2021Brakes. Some 2013-2021 Ford and Lincoln vehicles may exhibit noise when the brakes are applied. When diagnosing and repairing brake noise conditions, use the Workshop Manual (WSM) and the appropriate pinpoint test in section 206-00. The brake rotors should only be machined if directed by the WSM because one or more of the following conditions are present on the braking surface: scoring, excessive corrosion/rust or pitting…
• 10201025Aug 25, 2021Equipment. Some 2021 Bronco 5 door models equipped with a hard top roof configuration may exhibit poor Sirius XM satellite radio reception and or signal loss in rural areas with dense foliage, tall buildings, or other similar obstructions. No additional diagnosis or service is required for this condition at this time.
• 10201015Aug 17, 2021Electrical system. Some 2018-2021 Ford/Lincoln vehicles equipped with a wireless charging pad may exhibit an inoperative charging pad, slow charging, a notification that the phone has been mispositioned on the charging pad and/or the phone charging icon in the center screen is not showing. This may be due to the customer's phone if they are using an iPhone 12. Vehicles equipped with a wireless charging pad are designed to charge best…
• 10201082Aug 12, 2021Body and structure, Equipment. In all of the affected vehicles, a quality concern on the molded-in color hard top roof was identified during our quality inspections. This concern is strictly an appearance issue as the function of the roof is uncompromised. The exposed or unsealed hard top edges may cause unsatisfactory appearance when exposed to extreme water and humidity.
• 10200902Aug 12, 2021Back-over prevention (rear camera), Electrical system. Software Update 1 (SU1) for 2021 Model Year Bronco vehicles is now available. Involves: Zone Lighting Battery Drain, Remote Start Battery Drain, Contrast improvements to analog rear view camera
• 10200997Aug 10, 2021Visibility (wipers, defrost, mirrors). 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.
• 10200741Aug 10, 2021Engine cooling. Some 2021 Bronco vehicles equipped with a 2.3L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303 And/Or P0304. These DTCs may be caused by the powertrain control module (PCM) configuration related to the fuel injector operation. To correct the condition, follow the Service Procedure to reprogram the PCM.
• 10200991Aug 4, 2021Visibility (wipers, defrost, mirrors). 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.
• 10200986Aug 4, 2021Body and structure. Some 2021 Bronco vehicles may exhibit a creak/pop type noise when any of the side doors are opened and closed. This may be due to incorrect door installation, alignment and/or incorrect tightening of the two bolts which hold the door to the vehicle body.
• 10200737Aug 2, 2021Electrical system. Some 2021 Bronco vehicles built on or before 09-Jul-2021 may exhibit an intermittent No Key Detected message displayed in the instrument cluster followed by a double horn chirp immediately after starting the vehicle. This may be due to a software parameter in the driver door module (DDM) and/or the passenger door module (PDM). To correct the condition, follow the Service Procedure to reprogram the DDM and PDM.
• 10199513Jul 26, 2021Body and structure, Electrical system. Some 2021 Bronco vehicles equipped with Big Bend and Outer Bank trim levels may exhibit a whistle noise originating from the front of the hood area when traveling at speeds above 30 mph (50 Km/h). If the whistle noise can be eliminated by taping off the gap between the hood and grill opening, this condition may be due to the hood seal design. Hood seal replacement will not resolve this condition.
• 10199500Jul 1, 2021Electrical system, Transmission and drivetrain. Some 2021 Mustang Mach-E, F-150, Edge/Nautilus or Bronco vehicles equipped with SYNC 4 may have a customer symptom of the SYNC voice commands being activated without pushing the steering wheel switch. This may be due to the feature called Wake Word within SYNC 4. This feature allows the driver to activate the SYNC 4 system without pushing the steering wheel switch. Under the touchscreen Settings > Voice Settings…
• 10199498Jul 1, 2021Exterior lighting. Some 2021 Bronco vehicles equipped with exterior zone lighting may experience an intermittent single hazard lamp flash when hazards are off. This condition is due to the body control module (BCM) software. This condition occurs when zone lighting is activated then deactivated while the engine is OFF, or during an engine auto-start-stop event. This condition may be temporarily suppressed by activating then…
• 10199494Jul 1, 2021Equipment, Electrical system, Brakes. Some 2021 Bronco vehicles equipped with front and rear parking aid sensors may set diagnostic trouble codes (DTCs) for all 8 parking aid sensors/circuits if 2 or more rear parking aid sensors/circuits have a concern. This is due to the software within the parking aid module (PAM), and module replacement will not resolve this condition. If the PAM sets DTCs for all 8 parking aid sensors/circuits, diagnose the rear…
• 10198654Jun 25, 2021Equipment. Some 2021 Broncos equipped with exterior zone lighting may experience an intermittent single hazard lamp flash when hazards are turned off. This condition is due to a software issue within the vehicles body control module (BCM). This fault is induced anytime a customer activates then deactivates exterior zone lighting lamps while the engine is OFF. This may generate a single hazard lamp flash when the engine is…
• 10198652Jun 24, 2021Electrical system. Some 2021 Bronco vehicles may exhibit a No Key Detected message displayed in the instrument cluster followed by a double horn chirp immediately after starting the vehicle. The condition is due to a software issue in the driver door module (DDM) and/or the passenger door module (PDM). Replacement or reprogramming of the DDM and/or PDM will not resolve the issue. This condition does not affect vehicle durability and…
• 10198649Jun 18, 2021Electrical system. Some 2021 Bronco vehicles equipped with front and rear parking aid sensors may set diagnostic trouble codes (DTCs) for all 8 parking aid sensors and/or circuits if 2 or more rear parking aid sensors and/or circuits have a fault. This is due to the software within the parking aid module (PAM). If the PAM sets DTCs for all 8 parking aid sensors and/or circuits, diagnose the rear parking aid sensor and circuit DTCs…
• 10184651Dec 21, 2020Body and structure, Equipment. There is expected to be a low number of vehicles found with a concern door handle. In some of the affected vehicles, the interior door handle may have excessive material present on the door handle cavity. This can cause the door handle cable to bind during operation. If the cable binds, it may result in a door that cannot be opened from the inside. The door can still be opened using the exterior door handle. It is…

← All problems reported for the 2021 Ford Bronco