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Service bulletins for the 2023 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.

210 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
SU4 P3 Bronco2023-09-07. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Software Update 4 P3 for 2021-2023 Bronco Vehicles is now available. Quality improvements include: -Various Apple Carplay quality improvements
SSM 518382023-09-04. Service bulletin. ELECTRICAL SYSTEM. In various 2017-2023 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. 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.
SSM 518952023-09-04. Service bulletin. STRUCTURE:BODY:DOOR. Some 2023 Bronco vehicles built on or after 12-Jul-2023 have new software for the driver door module (DDM) and passenger door module (PDM). This software contains enhancements to the operation of the window short drop feature. Vehicles with this new software will exhibit a short drop event to all door windows anytime the vehicle is unlocked using the remote keyless entry (RKE), accessory keyless entry keypad, or the interior door unlock switch. For vehicles equipped with passive entry, a short drop event will not activate when a door is unlocked by placing a hand on an exterior door handle. The Owner's Manual and Workshop Manual are in process of being updated. This enhancement is currently being investigated for application into vehicles built prior to this running production change. Monitor OASIS for updates.
SSM 518722023-09-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Some 2023 Bronco vehicles equipped with a B & O sound system built on 15-Jun-2023 and through 21-Jul-2023 may exhibit a pop sound originating from the vehicle's speakers when the door(s) are opened. This may be due to the software in the digital signal processing module (DSP). To correct the condition, reprogram the DSP Module to the latest software level using the Ford Diagnosis and Repair System (FDRS) diagnostic scan tool. For claiming, use causal part 18806 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 518632023-09-02. Service bulletin. SUSPENSION:FRONT:STABILIZER BAR; ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL (ESC). During replacement of the electronic front stabilizer bar disconnect assembly on 2021-2023 Bronco vehicles, removal and replacement of the sta-bar harness is required. To assist engineering with root cause analysis of failed sta-bar disconnect assemblies, include the sta-bar harness with the part in the same package when returning warranty replacement sta-bar disconnect assembly. The sta-bar disconnect assembly return should also be packaged in the original box with all protective insulators in place to properly protect it during shipping. Use the Report a Vehicle Concern link at the bottom of OASIS to submit a report with photos attached (if possible) for any front stabilizer bar disconnect concerns.
TSB 23-22502023-08-30. Service bulletin. POWER TRAIN. This article supersedes TSB 22-2428 and 23-2176 to update the Issue, Action and Service Procedure. Some 2017-2023 F-150, 2018-2023 Expedition/Navigator/Mustang, 2019-2023 Ranger, 2020-2023 Explorer/Aviator/Transit and 2021-2023 Bronco vehicles equipped with a 10R60/10R80/10R80MHT transmission may exhibit a harsh/delayed engagement and/or harsh/delayed shift, an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to the software in the powertrain control module (PCM) or transmission control module (TCM), the transmission solenoid ID strategy, sticking valves in the main control valve body and/or axial movement of the CDF clutch cylinder (7H351) sleeve. To correct the condition, follow the Service Procedure to identify and correct the condition.
SAN-Vol1 I12023-08-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The Service Awareness Newsletter is an informal communication that contains information that may not be presently available in a TSB, SSM, GSB, or other electronic communication. This article includes information on warranty, technical service tips and other service information.
SSM 518302023-08-14. Service bulletin. EQUIPMENT. Some 2021-2023 Bronco vehicles equipped with a soft top roof may exhibit rear quarter window(s) that do not stay attached to the rear window after driving the vehicle or using the soft top quick access cargo function to raise the rear of the soft top assembly for luggage compartment access. This may be due to a retention channel on the rear window that is too narrow. To correct this condition, replace the rear window assembly (service base part # 7842006). Refer to Section 501-18A > Removal and Installation > Soft Top Assembly.
SSM 518252023-08-11. Service bulletin. STRUCTURE:CRITICAL FASTENERS; STRUCTURE:BODY:ROOF AND PILLARS; EQUIPMENT. Some 2023 Bronco hard top vehicles may exhibit the headliner falling down, becoming detached or separating from the hard top rear cap. Do not attempt to reattach the production headliner to the hard top surface of the rear roof panel. Replace the hard top headliner. Installation instructions can be found on the Professional Technician System (PTS) website under the Workshop manual Tab > Accessories > Installation > NVH Topliner.
23B102023-08-03. Service bulletin. ENGINE AND ENGINE COOLING. Certain 2023 Model Year Bronco Vehicles Front and Rear Engine Under shields Replacement
TSB 23-22412023-08-02. Service bulletin. EQUIPMENT; STRUCTURE. Some 2021-2023 Bronco vehicles equipped with a factory subwoofer and built on or before 20-Mar-2023 may exhibit a rattle from right loadspace trim panel at high audio system volumes. This may be due to poor retention from the right loadspace trim panel tree fasteners. To correct this condition, follow the Service Procedure to replace the tree fasteners on the right loadspace trim panel.
SSM 518022023-07-27. Service bulletin. EQUIPMENT. Due to a supplier chip-shortage, 2023 Bronco vehicles built on or before 11-Jul-2023 and equipped with a 6-speaker sound system come with a non-operational rear amplifier. This non-operational amplifier (service part number N2DZ-18C804-B) will not produce sound (by design) from the rear subwoofer. The non-operational rear amplifier and subwoofer assembly will appear identical to a working system. Customers have been notified and compensated appropriately for this change to the vehicle. For more details, refer to the Electronic Field Communication titled Product Offering Changes: Ford Bronco Audio System published on 09-Dec-2022. Vehicles that meet these criteria should not be diagnosed for a symptom related to poor/no performance from the rear subwoofer.
SSM 517902023-07-18. Service bulletin. LATCHES/LOCKS/LINKAGES; STRUCTURE:BODY:HOOD; LATCHES/LOCKS/LINKAGES:HOOD:LATCH. Some 2022-2023 Bronco vehicles built on 01-Sept-2022 and through 20-Mar-2023 may exhibit an intermittent illuminated hood ajar indicator on the instrument panel cluster and/or a false alarm activation caused by a hood ajar event. This may be due to an internal failure of the hood latch while the hood remains properly latched. To correct the condition, replace the hood latch (service base part number 16700). For claiming, use the causal part number 16700 and applicable labor operations in Section 12 of the Service Labor Time Standards (SLTS) Manual.
SSM 517842023-07-18. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; EQUIPMENT. Due to a supplier chip-shortage, 2023 Bronco vehicles built on or before 11-Jul-2023 and equipped with a 6-speaker sound system come with a non-operational rear amplifier. This non-operational amplifier (service part number N2DZ-18C804-B) will not produce sound (by design) from the rear subwoofer. The non-operational rear amplifier and subwoofer assembly will appear identical to a working system. Customers have been notified and compensated appropriately for this change to the vehicle. For more details, refer to the Electronic Field Communication titled Product Offering Changes: Ford Bronco Audio System published on 09-Dec-2022. Vehicles that meet these criteria should not be diagnosed for a symptom related to poor/no performance from the rear subwoofer.
TSB 23-22132023-07-12. Service bulletin. STRUCTURE. Some 2021-2023 Bronco vehicles built on or before 31-May-2023 may exhibit a whistle noise below the lower left windshield area at the bottom of the A-pillar. This may be due to a missed body sealer application at the factory. To correct this condition, follow the Service Procedure to reseal the affected body seam.
SSM 517062023-07-06. Service bulletin. ENGINE AND ENGINE COOLING. Some 2023 Bronco vehicles equipped with a 2.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P051B stored in the powertrain control module (PCM). PCM software is currently under development to resolve this condition and is scheduled to be available by 30-Jun-2023. Monitor OASIS for updates and schedule a follow up with the customer when the software becomes available
SSM 517622023-07-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Some 2021-2023 Ford and Lincoln vehicles equipped with SYNC 4 may exhibit the navigation feature in the center display screen only displaying imperial units and not being able to change to metric. This may be due to the software level of the SYNC module (APIM). This issue does not affect vehicle durability and no additional diagnosis or service is required for this condition at this time. Inform customers that engineering is currently working on a solution for this condition and will be released via Ford Power-Up software updates delivered over-the-air (OTA) expected in September 2023. Software will update automatically if vehicle connectivity is enabled in the vehicles settings. Schedule a service visit for customers who have disabled vehicle connectivity or who report that they did not receive the update in September 2023. Monitor OASIS for additional information.
SSM 517542023-07-03. Service bulletin. ENGINE AND ENGINE COOLING. Some 2023 Bronco/Ranger/Explorer vehicles equipped with a 2.3L EcoBoost engine and built on 27-Mar-2023 and through 18-May-2023 may experience a loss of coolant with coolant in the oil. This may be caused by a cracked engine block. If this condition is present, replace the engine long block assembly. Refer to Workshop Manual (WSM), Section 303-01. For claiming use causal part number 6010 and applicable labor operations in Section 06 of the Service Labor Time Standards (SLTS) Manual.
TSB 23-22002023-06-30. Service bulletin. LATCHES/LOCKS/LINKAGES; EQUIPMENT; VISIBILITY:SUN/MOON ROOF ASSEMBLY. Some 2021-2023 Bronco vehicles equipped with a soft top roof may exhibit rear quarter window(s) that do not stay attached to the rear window after driving the vehicle or using the soft top quick access cargo function to raise the rear of the soft top assembly for luggage compartment access. This may be due to a retention channel(s) on the rear window that is too narrow. Do not replace the rear quarter windows. To correct this condition, follow the Service Procedure to secure the rear quarter window(s) in place until a new rear window can be obtained to permanently correct this condition.
TSB 23-21852023-06-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING. Some 2023 Bronco vehicles built on or before 12-Jun-2023 equipped with a 2.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P051B stored in the powertrain control module (PCM). This may be due to the software in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.
SSM 517262023-06-28. Service bulletin. EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Some 2021-2023 Bronco vehicles may exhibit the HVAC switching out of recirculation without input. This may be due to the air flow mode door inlet strategy while in recirculation mode. This strategy periodically purges the cabin air every 30-60 minutes depending on conditions the vehicle is operated in. If monitoring the Air Inlet Door PID with FDRS, it can go to approximately 50 % movement of the Air Inlet Door while in recirculation mode. During this climate control system strategy operation the recirculation button light should not go off. This is normal operation of the climate control system and no repairs should be attempted. If the recirculation button/light goes off then reference Workshop Manual (WSM), Section 412-00.
SSM 516952023-06-16. Service bulletin. STRUCTURE; EQUIPMENT. Some 2023 Bronco vehicles equipped with 2 tops (soft top and hard top roofs) from the factory may exhibit interior rear trim covers (service base 7831289/7831288) that do not sit flush when the soft top roof is installed. This may be due to the vehicle coming with trim covers designed for use with hard top roofs only. Refer to the vehicle's window sticker to verify if vehicle was equipped from the factory with the 2 top option. For vehicles that meet this criteria, provide the customer with a left and right interior rear trim covers that will sit flush with both roof options. Order and provide to the customer service part numbers M2DZ-7831289-BA (left) and M2DZ-7831288-BA (right).
SSM 516942023-06-16. Service bulletin. VISIBILITY; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Some 2021-2023 Bronco vehicles may exhibit a rattle from the front windows with the windows placed in the partially down position and driving over rough roads and/or bumps. This condition is currently under investigation and repairs and/or component replacement is not expected to reduce the rattle. Inform customers that they can continue to drive the vehicle and that engineering is currently developing a solution which will be available in Q4 2023. Monitor OASIS and schedule a follow up appointment with the customer when the fix becomes available.
SSM 516872023-06-16. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN. TSB 22-2428 is missing some labor operations. For any missing labor operations, claim available new model labor operations or m-time. Refer to this article on the repair order. When replacing the CDF cylinder, the current TSB does not require a complete transmission overhaul or cooler and converter flushing. Ford is currently reviewing the TSB. Monitor OASIS for updates.
TSB 23-20192023-06-13. Service bulletin. POWER TRAIN; POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS. Some 2021-2023 Bronco vehicles equipped with a MT88 manual transmission may experience a rotational scraping noise while the transmission is in neutral, 1st or 2nd gear with the clutch pedal released and may be more noticeable in ambient temps below 10°C (50°F) and after a cold soak. This noise may diminish as the transmission warms up. This may be due to the 5th and 6th gear synchronizer rings. To correct the condition, follow the Service Procedure to replace the 5th and 6th gear synchronizer rings.

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