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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

Bulletins, newest first
SSM 510142022-08-15. Service bulletin. ENGINE AND ENGINE COOLING. The electronic parts catalog for the 2021-2022 Bronco equipped with a 2.7L GTDI engine had the incorrect engine oil dipstick assigned. This problem only existed for a few months and has since been corrected. The incorrect dipstick that showed in the catalog was SPN: MB3Z-6750-B/F (EPN: MB3E-6750-BB/BC). The 'MB3Z' dipstick (EPN: 'MB3E') is ONLY designed for use on the 2022 Bronco Raptor which is equipped with a 3.0L GTDI engine. The correct engine oil dipstick for the 2021-2022 Bronco 2.7L GTDI engine is SPN: FT4Z-6750-B/C (EPN: FT4E-6750-BF/BG).
SSM 509822022-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. Some 2018-2022 Ford/Lincoln vehicles equipped with a wireless charging pad may exhibit one of the following if the customer is using a Magsafe iPhone (iPhone 12 or 13): slow charging, inoperative, notification that the phone has been mispositioned on the charging pad and/or the phone charging icon in the center screen display is not showing. This may be due to a compatibility issue between the customer's phone and the wireless accessory charging module (WACM) that may make it difficult for Ford and Lincoln vehicles to wirelessly charge these specific phones. The phone can still be charged using the USB cable if the vehicle experiences the above symptoms. If the customer is using a Magsafe iPhone such as an iPhone 12 or 13, verify the wireless charging pad works with a Qi certified phone prior to any part replacements.
SSM 509752022-08-02. Service bulletin. ELECTRICAL SYSTEM. Some 2017-2022 Ford/Lincoln customers may experience a notification in the FordPass®/LincolnWay® app indicating Vehicle Has Entered Deep Sleep Mode. This occurs when the vehicle has not been started for 14 consecutive days, battery voltage is at/below 9.5 volts or the body control module (BCM) 12 volt battery state of charge (SOC) drops below 50%. A warning may also set if the telematic control unit (TCU) has received an over the air update. The TCU powers down all communication when in this mode and app features are disabled. Manually start the vehicle to wake if from mode. More information is located in the app under: Account > Help > search 'Deep Sleep' in the entry box. If the condition remains, check the BCM 12v SOC. If the SOC does not change after charging the battery or after BMS reset is performed, continue with normal battery and/or BMS sensor diagnostics.
SSM 509512022-07-29. Service bulletin. SERVICE BRAKES. Some 2021-2022 Bronco vehicles equipped with an EBB may exhibit multiple error messages displayed in the IPC followed by automatic engagement of the parking brake immediately after starting the vehicle with the doors removed or after sitting in the vehicle for an extended period of time with the vehicle off. The issue will resolve itself once the brake pedal is no longer depressed or the parking brake is manually disengaged. This may be due to the software within the anti-lock brake (ABS) module. This issue can be avoided by placing the vehicle in accessory mode for a few seconds before starting the engine. Engineering is working on improved software to correct this condition that will be available in November 2022. No repairs should be made in attempt to correct this condition. Monitor OASIS for updates.
TSB 22-22972022-07-28. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. Some 2021-2022 Bronco vehicles equipped with base exterior mirrors (does not have integrated puddle lamps and/or turn signal lamps) may have a whistle noise that originates from the left exterior mirror. This may be due to the design of the exterior mirror cover. To correct this condition, follow the Service Procedure to replace both the left and right exterior mirror covers.
TSB 22-22962022-07-28. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. Some 2021-2022 Bronco vehicles equipped with a factory soft top roof may experience excessive wind noise while driving, loose soft top cover, and/or difficulty latching. This may be due incorrect soft top assembly installation, latch striker positioning and/or a failed soft top component. To correct the conditions, follow the Service Procedure to inspect the vehicle and adjust the soft top components as necessary.
TSB 22-22882022-07-28. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. Some 2021-2022 Bronco vehicles equipped with a hard top roof may exhibit symptoms from the front roof panels that sit at an uneven height which may result in a poor appearance, excessive wind noise, water leaks and/or difficulty latching. This may be due to incorrect vertical adjustment of the front roof panel latch strikers. To correct this condition, follow the Service Procedure to adjust the front panel latch strikers.
TSB 22-22552022-07-01. Service bulletin. BACK OVER PREVENTION:SOFTWARE; SERVICE BRAKES. Some 2021-2022 Bronco vehicles built on or before 14-Mar-2022 and equipped with a 2.7L engine may exhibit the inability to disable the traction control system using the traction control on/off switch located on the instrument panel. This may be due to the software within the anti-lock brake system (ABS) module. To correct the condition, follow the Service Procedure and update the ABS software.
22B08-S12022-07-01. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Certain 2021 Model Year Mach-E, F-150, Bronco, Edge, Nautilus vehicles Electronic Control Module Recovery: In some of the affected vehicles, an internal error in the Accessory Protocol Interface Module (APIM) or Telematics Control Unit (TCU) module software will prevent the receipt of software updates or enhancements for these modules Ford Power-Up or Lincoln Way. The module will operate as intended otherwise.
SSM 508712022-06-30. Service bulletin. ELECTRICAL SYSTEM. Some 2021-2022 Bronco vehicles may exhibit a Cross Traffic System/Blind Spot System Fault in instrument panel cluster (IPC). If these symptoms are encountered, inspect the wiring under the rear bumper for chaffing of the 13A409 harness close to connector C4369. If this is determined to be the cause of the issue, refer to Wiring Diagram Cell 005 for wiring repair. If no wiring issues are found, continue with normal diagnostics in Workshop Manual (WSM), Section 419-04.
SSM 508422022-06-17. Service bulletin. EXTERIOR LIGHTING. Some 2021-2022 Bronco vehicles may exhibit a condition of intermittent headlamp operation while the vehicle is OFF and have diagnostic trouble code (DTC) B1533 stored in the body control module (BCM). This may be due to the internal logic within the headlamp switch. Switch and/or module replacement will not resolve this condition. Headlamp operation is not affected while the vehicle is ON. A new headlamp switch is currently under development to correct this condition. Let the customer know they can continue to drive the vehicle and schedule a follow-up appointment in October 2022, when parts are expected to become available. Follow up with the customer to confirm the appointment once OASIS is updated with the repair information.
SSM 508292022-06-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. 2021-2022 various Ford and Lincoln vehicles may exhibit an erroneous diagnostic trouble code (DTC) U1A01:93 stored in the telematics control unit (TCU). This may be due to various software parameters within the TCU. If this DTC is identified during normal diagnostics, but the vehicle does not exhibit any customer concerns around the TCU operation, clear this DTC and no further repairs are recommended. If the DTC returns after being cleared or if the vehicle exhibits connectivity concerns with the TCU, continue with normal Workshop Manual (WSM) diagnostics. If set erroneously, this DTC does not cause any observable concerns or warning messages and does not affect vehicle performance or durability. Ford is developing a software update which will be delivered to the vehicle via an over-the-air (OTA) TCU update in July 2022 to prevent this DTC from setting erroneously.
TSB 22-22152022-06-13. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. Some 2021-2022 Bronco vehicles equipped with base exterior mirrors (does not have integrated puddle lamps and/or turn signal lamps) may have a whistle noise that originates from the left exterior mirror. This may be due to the design of the exterior mirror cover. To correct this condition, follow the Service Procedure to replace both the left and right exterior mirror covers.
OTA SU2 Bronco2022-06-01. Service bulletin. EQUIPMENT. Software Update 2 (SU2) Phase 1-3 Respin for 2021 Model Year Bronco vehicles is now available. Involves: Fix for availability of subscription services.
SSM 508042022-06-01. Service bulletin. ELECTRICAL SYSTEM. Some 2013-2023 Ford or Lincoln vehicles with modems activated through FordPass or LincolnWay may experience 12 volt battery drain symptoms when the customer uses non-Ford/Lincoln phone applications as an alternate channel to access vehicle commands such as door lock/unlock, remote start, vehicle location, etc. The battery drain may be caused by excessive calls for data through the vehicle network keeping it in an activated state. Recommend that the customer uninstall the app to ensure this is not contributing to battery symptoms experienced. Advise the customer that unaffiliated third-party app developers do not work directly with Ford to adhere to security, vehicle communication, and privacy requirements.
TSB 22-22102022-05-31. Service bulletin. SERVICE BRAKES. Customers who neutral (4-wheel flat) tow 2021-2022 Broncos equipped with an electronic brake booster (EBB) may report an inconsistent brake assist when a supplemental braking system has been installed. This may result from supplemental brake system set-up that does not account for the Bronco's EBB system entering sleep mode (via the ABS module) after a pre-determined period of time following vehicle shut-down. This functionality is necessary to prevent battery drain. Enhanced software is under development to address this condition when the vehicle enters Neutral Tow mode. The new software is expected to be available in September 2022. Monitor OASIS for updates. Until the software becomes available, customers who meet this criteria may perform the procedures below to address this condition when neutral (4-wheel flat) towing their vehicle.
TSB 22-20962022-05-31. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Some 2021-2022 Bronco vehicles built on or before 17-May-2022 equipped with 5 doors and a hard top roof configuration, may exhibit poor Sirius XM® satellite radio reception and/or satellite radio signal loss in areas with tall structures, rural areas with dense foliage or other similar obstructions. This may be due to the antenna positioning. To correct the condition, follow the Service Procedure to relocate the antenna.
TSB 22-21902022-05-16. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT. Some 2020-2022 Explorer/Aviator and 2021-2022 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 to replace the affected connector with a service pigtail and the affected side airbag.
SSM 507692022-05-16. Service bulletin. STRUCTURE. The 2021-2022 Bronco Workshop Manual, Section 501-18B Hard Top, has been updated. Updates include hard top rear cap flushness and parallelism specifications and an enhanced diagnostics and testing section to assist with resolving concerns of hard top roof alignment, looseness, water leaks, and noise vibration and harshness (NVH). Submit photos of hard top roof concerns that require part replacement for any reason using web-based PTS or Mobile PTS Report a Vehicle Concern function. This applies to Broncos built on/after 12-Aug-2021 equipped with hard top roof or vehicles repaired under Customer Satisfaction Program 21B49. For claiming, use labor operation SUBPHOTO for reimbursement. The hard top roof is enhanced to meet standards expected by customers. To assist with long-term supplier quality, Ford is seeking immediate dealer feedback on customer concerns.
TSB 22-21462022-05-12. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. Some 2021-2022 Bronco vehicles equipped with a soft top roof may experience paint scratches on the sports tube paint due to contact with the soft top roof frame during the open and close operation. This may be due to a lack of protective measures installed on the soft top roof frame. To correct this condition, follow the Service Procedure to install protective plates and hook and loop fasteners to sections of the soft top roof frame.
SSM 506512022-05-04. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; EQUIPMENT. In various 2017-2022 Ford and Lincoln vehicles, customers may receive a message in the FordPass or LincolnWay App stating "Feature Unavailable. Since this is a fleet vehicle, it cannot access the (SYNC Connect) FordPass or LincolnWay app through the TCU Embedded Modem. If this message appears, the vehicle may be equipped with a fleet telematics module. Replacement of the TCU or TCU related repairs will not prevent this message from appearing. Please refer the customer to in app FordPass Guides or LincolnWay Concierge Teams to aid with fleet telematics removal. Open app, select Account > Help > CHAT or CALL option
22B082022-05-04. Service bulletin. ELECTRICAL SYSTEM. Certain 2021 Model Year Mach-E, F-150, Bronco, Edge, Nautilus vehicles - Electronic Control Module Recovery: In some of the affected vehicles, an internal error in the Accessory Protocol Interface Module (APIM) or Telematics Control Unit (TCM) module software will prevent the receipt of software updates or enhancements for these modules from Ford Power-Up or Lincoln Way. The module will operate as intended otherwise.
SSM 507332022-05-03. Service bulletin. TIRES:SIDEWALL. Some 2021 and 2022 Ford and Lincoln vehicles may experience a tire sidewall wavy/indentation appearance in the radial direction on one or both sidewalls. Sidewall wavy/indentation appearance is a common cosmetic characteristic of radial tire construction and will not affect the performance of the tire.
SSM 507132022-05-03. Service bulletin. SERVICE BRAKES. Some 2021-2022 F-150/Bronco and 2022 Expedition/Navigator vehicles may exhibit an illuminated anti-lock brake system (ABS) indicator and stability-traction control indicator when ambient temperatures are below freezing, and diagnostic trouble code (DTC) C1013:09 stored in the ABS module. This may be due to ABS module software parameters and the effects of low ambient temperature on brake fluid viscosity. This condition does not affect brake system hydraulic functionality. Clear the DTC to restore ABS and stability-traction control functionality and inform customers that Ford is developing a software update which will be delivered to the vehicle via an over-the-air (OTA) ABS update in November 2022 to prevent this condition.
SSM 507112022-05-03. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Some 2021-2022 Bronco vehicles may exhibit a window rattle when driving over bumps with the windows placed in the partially down position. This may be due to incorrect window glass adjustment from the factory. To correct this condition, perform the Front/Rear Door Window Glass Adjustment procedure located in the Workshop Manual, Section 501-11 > Front doors > Steps 18-26, Rear Doors > Steps 21-25. It is not necessary to remove the door panel to perform this adjustment. During adjustment, set the window regulator nuts to their most outboard position (this will move the top of the window inboard), then reevaluate the noise. Be sure to place the window in the fully down position during adjustment.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.