2023 Ford Bronco Technical Service Bulletins

212 technical service bulletins (TSBs) are on record for the 2023 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.

• 10242848Sep 1, 2023Transmission and drivetrain. Some 2021-2023 Bronco vehicles may exhibit no 3rd gear engagement and/or a grinding noise going into 3rd and/or 4th gear. This may be due to the transmission shifting system and clutch interaction such as a lack of full clutch disengagement during shifts and/or placing weight upon the gear shift lever while driving. To correct this condition, follow the Service Procedure to replace the 3rd and/or 4th gears and/or…
• 10242847Sep 1, 2023Electrical system. This article supersedes TSB 23-2006 to update the vehicle model years affected. Some 2021-2023 Bronco vehicles may encounter a Sta-bar Disconnect Service Required message in the instrument panel cluster and an illuminated warning light with any of the following diagnostic trouble codes (DTCs) stored in the chassis control module (CHCM): C103A, C1A99, C1B03, C1B07, C1B14 and/or B1A67. To correct the condition…
• 10241620Aug 28, 2023Body and structure. 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…
• 10241596Aug 18, 2023Equipment, Electrical system. 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)…
• 10241594Aug 15, 2023Electrical system, Electronic stability control, Suspension. 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.
• 10241447Aug 14, 2023Transmission and drivetrain. 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…
• 10241993Aug 3, 2023Back-over prevention (rear camera). Software Update 4 P3 for 2021-2023 Bronco Vehicles is now available. Quality improvements include: -Various Apple Carplay quality improvements
• 10241627Aug 2, 2023Electrical 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…
• 10240720Aug 2, 2023Equipment. 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…
• 10240579Aug 1, 2023Body and structure, 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 >…
• 10240251Jul 28, 2023Equipment, Body and 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.
• 10240416Jul 24, 2023Engine cooling. Certain 2023 Model Year Bronco Vehicles Front and Rear Engine Under shields Replacement
• 10239695Jul 20, 2023Equipment. 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…
• 10239481Jul 14, 2023Body and structure, Latches, locks and linkages. 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).
• 10239478Jul 12, 2023Equipment. 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…
• 10239096Jul 7, 2023Body and 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.
• 10238461Jul 3, 2023Electrical system, Equipment. 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.
• 10238446Jun 29, 2023Engine 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…
• 10238292Jun 22, 2023Latches, locks and linkages, Equipment, Visibility (wipers, defrost, mirrors). 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.
• 10238285Jun 20, 2023Transmission and drivetrain, 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.
• 10237978Jun 16, 2023Visibility (wipers, defrost, mirrors), Equipment. 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…
• 10238722Jun 13, 2023Engine 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…
• 10237793Jun 9, 2023Body and 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…
• 10237792Jun 9, 2023Visibility (wipers, defrost, mirrors). 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…
• 10237783Jun 9, 2023Transmission and drivetrain. 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.
• 10240743Jun 8, 2023Equipment. 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.
• 10237786Jun 7, 2023Equipment, Transmission and drivetrain, Other or unknown. 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.
• 10237578Jun 5, 2023Transmission and drivetrain. Some 2023 Bronco/Explorer/Aviator vehicles equipped with a 10R60 automatic transmission built on 8-Dec-2022 and through 22-Dec-2022 may exhibit a whine noise during coast down from 25 mph (40 km/h). Vehicles built on 6-Feb-2023 and through 1-Mar-2023 may exhibit a whine noise during acceleration in 1st gear. These conditions may be caused by the machining of the No. 4 shell and sun gear. To correct the conditions…
• 10237589Jun 2, 2023Transmission and drivetrain, Electrical system. Some 2021-2023 Bronco vehicles may exhibit an inaccurate AAT reading with DTC P0072 stored in the powertrain control module (PCM). The Workshop Manual (WSM), Section 413-01 > pinpoint test (PPT) BC has been updated to address this concern. The AAT WSM updates include: improved diagnosis and testing, AAT sensor reset, and the AAT sensor interaction with climate control system and gateway module A (GWM).
• 10237580Jun 1, 2023Back-over prevention (rear camera). Some 2021-2023 Bronco vehicles may exhibit a warning message displayed in the instrument panel cluster (IPC) that there is a trailer connected to the vehicle when no trailer is connected. The Workshop Manual (WSM), Section 417-01 > Trailer Lamps, has been updated with Pinpoint Test (PPT) J - Message Center Displays An Incorrect Trailer Message.
• 10236680May 29, 2023Transmission and drivetrain. 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 transmission and built on or before 23-Dec-2022 or with a 18R80/10R80MHT transmission and built on or before 15-Aug-2022 may exhibit a harsh/delayed engagement and/or harsh/delayed shift.
• 10236690May 26, 2023Equipment. 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.
• 10236688May 26, 2023Engine cooling. Some 2021-2023 Ford and Lincoln vehicles equipped with a 2.7L or 3.0L engine may exhibit an upper engine thump/knock noise coming from the left cylinder head. This condition is most noticeable at idle and may lessen at higher engine speed or while driving. This condition does not affect vehicle durability and will not get worse over time.
• 10237335May 23, 2023Transmission and drivetrain. Some 2022-2023 F-150/Bronco/Expedition/Navigator/Escape/Corsair/Bronco Sport/Edge/Mustang vehicles built on 04-Sep-2022 and through 30-Dec-2022 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0230 stored in the powertrain control module (PCM). The vehicle may also experience a no start or stall after start. This may be due to an internal PCM issue.
• 10236575May 16, 2023Back-over prevention (rear camera), Transmission and drivetrain. 2021-2022 F-150 vehicles with 2.7L, 3.3L, 3.5L EcoBoost or 5.0L engines, 2020-2022 Transit vehicles with 3.5L Duratec/3.5L EcoBoost engines, 2021-2023 Bronco with the 2.3L or 2.7L engine having charging system diagnostics performed in the Workshop Manual (WSM) may experience the generator voltage desired (GENVDSD) parameter identification (PID) missing from the powertrain control module (PCM) PID list in the Ford…
• 10236026May 2, 2023Engine cooling. Some 2023 Bronco vehicles equipped with 2.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P04DB stored in the powertrain control module. This may be due to a fault detected while in transport mode or a leak in the positive crankcase ventilation system. To correct the condition, deactivate transport mode, refer to WSM, Section 419-10.
• 10234137Apr 6, 2023Engine cooling, Transmission and drivetrain. Some 2020-2023 F-150 and 2021-2023 Bronco vehicles equipped with a 2.7L or 3.0L EcoBoost engine may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. This may be due to a stuck internal component of the variable cam timing (VCT) unit. To correct the condition, replace all 4 of the VCT…
• 10235153Apr 4, 2023Body and structure. For 2000-2024 Ford and Lincoln vehicles, swapping a module from a vehicle for diagnosis purposes is likely to cause errors and is not recommended. It is also not recommended to order a replacement module using a vehicle identification number (VIN) from a different vehicle. Most modules on these affected vehicles are VIN/vehicle specific and hardware variations between modules do exist.
• 10234134Apr 4, 2023Body and structure. Some 2022-2023 Bronco vehicles built on or after 01-Sep-2022 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. For vehicles that meet this criteria, replace the hood latch (service base part number 16700) to repair the vehicle.
• 10235750Apr 3, 2023Back-over prevention (rear camera). Priority Update 22-PU0301-ESC-NT for 2022-2023 Bronc vehicles is now available. Quality Improvements include: - Change in the interaction of the EBB with Neutral Tow feature. - Improved ESC yaw rate plausibility check
• 10234130Apr 3, 2023Visibility (wipers, defrost, mirrors). Some 2021-2023 Bronco vehicles may exhibit a diagnostic trouble code (DTC) B15F1:15 code stored in memory of the passenger door module (PDM). This code was intended for a right mirror indicator light emitting diode (LED) feature on vehicles and currently is not used. This code may be due to PDM module software. If the PDM module exhibits DTC B15F1:15, the DTC should be ignored.
• 10234125Apr 3, 2023Transmission and drivetrain. Some 2020-2023 Explorer/Aviator/Transit, 2021-2023 F-150/Bronco, 2022-2023 Expedition/Navigator/Mustang and 2023 F-250/F-350 Super Duty vehicles may exhibit harsh/delayed engagement and/or harsh/delayed shift concerns. These may be addressed with the powertrain control module (PCM)/transmission control module (TCM) Transmission Accelerated Main Control Break In Routine and/or a main control overhaul.
• 10233958Mar 31, 2023Electrical system. Software Update 4 P2 for 2023 Model Year Bronco vehicles is now available. Quality improvements include: - Prevents intermittent loss of vehicle connectivity
• 10233925Mar 31, 2023Equipment. Some 2023 Bronco vehicles equipped with dual tops from the factory may exhibit a broken tension bow guide support (service base part numbers 7851532/7851533). This component is located on the soft top frame and was likely discovered when the soft top assembly was initially removed from its storage location in the rear of the vehicle by the customer. This may be due to improper storage of the soft top from the…
• 10233600Mar 31, 2023Back-over prevention (rear camera). Some 2023 Bronco vehicles built on or before 16-Mar-2023 may experience an inoperative FordPass application, inoperative remote start and/or inoperative remote lock and unlock that may be combined with diagnostic trouble codes (DTC) U0146:09 stored in the telematics control unit (TCU) and U2402:00 and/or U2402:92 stored in the gateway module (GWM). This may be due to the software level in the GWM.
• 10233741Mar 17, 2023Electrical system, Latches, locks and linkages, Equipment. Some 2023 Bronco vehicles may experience inoperative remote start and/or remote lock and unlock through FordPass. Diagnostic trouble codes (DTCs) U0146:09 may be stored in the telematics control unit (TCU), and U2402:00 and/or U2402:92 may be stored in the gateway module (GWM). Inform the customer they can continue to drive the vehicle. A solution is planned for deployment via Ford Power-Up software updates…
• 10233724Mar 14, 2023Equipment. Due to a supplier chip-shortage, 2023 Bronco vehicles 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…
• 10233699Mar 10, 2023Electrical system. Some 2023 F-150 vehicles built on or before 28-Feb-2023 at Kansas City Assembly Plant or 07-Mar-2023 at Dearborn Truck Plant, 2023 F-150 Lightning vehicles built on or before 13-Dec-2022, and 2023 Bronco vehicles may experience inoperative remote start and/or remote lock and unlock through FordPass. Diagnostic trouble codes (DTCs) U0146:09 may be stored in the telematics control unit (TCU), and U2402:00 and/or…
• 10233695Mar 8, 2023Transmission and drivetrain. Some 2017-2023 Ford and Lincoln vehicles equipped with a 10R60/10R80/10R80 MHT/10R100 transmission may exhibit a whine noise at idle and/or while driving. This may be identified as coming from the bellhousing and the front of the transmission fluid pan. The whine noise may become louder when the transmission is at operating temperature and may increase with engine revolutions per minute (RPM) in the park (P)…
• 10233688Mar 7, 2023Engine cooling. Customers who neutral (4-wheel flat) tow a 2021-2022 Bronco equipped with a 2.7L engine or a 2022-2023 Bronco Raptor 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 vehicles anti-lock brake (ABS) module entering sleep mode after a pre-determined period of time following vehicle…

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