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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
SSM 516772023-06-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. 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).
SSM 516732023-06-08. Service bulletin. BACK OVER PREVENTION:SOFTWARE. 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.
TSB 23-21442023-06-07. Service bulletin. POWER TRAIN. 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, follow the Service Procedure to replace No. 4 shell and sun gear.
SSM 516562023-06-05. Service bulletin. POWER TRAIN. 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. If this DTC is present, verify the battery condition, then perform pin point test (PPT) KC of the Work Shop Manual (WSM), Section 310-01. If PPT KC leads to component replacement, start with replacing the PCM and then evaluate the vehicle. If the DTC returns, follow WSM, Section 310-01 PPT KC direction to address the issue.
SSM 515922023-05-31. Service bulletin. ENGINE AND ENGINE 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. Perform a visual inspection of possible sources outlined in Workshop Manual (WSM), Section 303-08B pinpoint test (PPT) HG. Clear all DTCs, allow the vehicle to sit until engine coolant temperature is below 45°C (113°F). Start the vehicle and allow it to idle in park (P) for 1 minute. Using the appropriate scan tool, check for DTCs. If DTC P04DB returns, perform PPT HG in the WSM. WSM, Section 303-14B contains removal and installation instruction for the crankcase pressure sensor.
TSB 22-24282023-05-30. Service bulletin. POWER TRAIN. 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. It is possible the vehicle may also have an illuminated malfunction indicator lamp (MIL) or 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 PCM or 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.
SSM 516672023-05-29. Service bulletin. 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.
SSM 516652023-05-29. Service bulletin. ENGINE AND ENGINE 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. Use a stethoscope or chassis ears and listen just behind the left cylinder head intake VCT solenoid on the cam cover to determine if the thump/knock noise is coming from the cylinder head/camshaft. The left cylinder head and the camshaft roller followers are available as service parts.
TSB 23-21542023-05-23. Service bulletin. BACK OVER PREVENTION:SOFTWARE; POWER TRAIN. 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 Diagnosis And Repair System (FDRS) scan tool. This may be due to a software parameter in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.
22PU0301ESCNT2023-05-05. Service bulletin. BACK OVER PREVENTION:SOFTWARE. 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
SSM 515362023-05-04. Service bulletin. 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. Swapping a module from a vehicle or ordering a module using a different vehicle/VIN can cause ineffective repairs and additional vehicle down time. Make sure all appropriate Workshop Manual (WSM) procedures are followed when diagnosing the condition prior to all module replacements and only order modules using the correct VIN.
SSM 515422023-05-04. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. 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 units following Workshop Manual (WSM), Section 303-01. For claiming, use causal part 6C525 and applicable labor operations in Section 6 of the Service Labor Time Standards (SLTS) Manual. If labor times are not available, claim M-time.
SSM 515382023-05-04. Service bulletin. STRUCTURE:BODY:HOOD. 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. For claiming use the causal part number 16700 and applicable labor operations in Section 12 of the Service Labor Time Standards (SLTS).
SSM 515332023-05-04. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. 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.
SSM 515312023-05-04. Service bulletin. POWER TRAIN. 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. Refer to Workshop Manual (WSM), Section 307-01, DTC Chart if DTCs are present and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. Cycling the shift solenoids and clutch control valves to remove contamination must be performed along with an adaptive drive cycle before attempting repair. For claiming, use causal part 7A100 and applicable labor operations in Section 7 of the Service Labor Time Standards (SLTS) Manual.
OTA SU4 P1Bronco2023-04-06. Service bulletin. ELECTRICAL SYSTEM. Software Update 4 P2 for 2023 Model Year Bronco vehicles is now available. Quality improvements include: - Prevents intermittent loss of vehicle connectivity
SSM 515252023-04-06. Service bulletin. EQUIPMENT. 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 factory. To correct this condition, replace the affected tension bow guide support following the Workshop Manual (WSM), Section 501-18A Soft Top > Removal and Installation > Soft Top Tension Bow Guide Support.
23B082023-04-06. Service bulletin. ENGINE AND ENGINE COOLING. Certain 2023 Model Year Explorer, Bronco, Ranger Vehicles Equipped with 2.3L Gas Engine In all of the affected vehicles, a damaged tool used during the engine block machining process may have allowed the main oil galley to exceed specification, resulting in an insufficient seal of the main oil galley plug. An insufficient seal at the main oil galley plug may result in an oil leak from the engine block.
SSM 514582023-04-05. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; EQUIPMENT:ELECTRICAL. 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 delivered over-the-air (OTA) beginning April 2023. Software will update automatically on vehicles connected to FordPass. Monitor OASIS for additional updates. Schedule an appointment in April 2023 for customers that are not connected to FordPass once the repair is available.
SSM 514382023-04-05. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. 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 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 514312023-04-04. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. 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 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 delivered over-the-air (OTA) beginning April 2023. Software will update automatically on vehicles connected to FordPass. Monitor OASIS for additional updates. Schedule an appointment in April 2023 for customers that are not connected to FordPass once the repair is available.
SSM 514192023-04-04. Service bulletin. POWER TRAIN. 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) position. A small amount of whine noise is considered to be characteristic of the 10R60/10R80/10R80 MHT/10R100 transmissions due to the offset gear drivetrain in the front support and has no effect on durability.
SSM 514152023-04-04. Service bulletin. ENGINE AND ENGINE 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 shut-down. This functionality was necessary to prevent a battery drain from occurring. Enhanced software has been developed to keep the ABS module in a consistent sleep state when the vehicle enters neutral tow mode. For vehicles that meet this criterion, reprogram the ABS module using the latest software level of the Ford Diagnosis and Repair System (FDRS) scan tool. For claiming, use casual part 2C219.
TSB 23-21082023-04-04. Service bulletin. BACK OVER PREVENTION:SOFTWARE. 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. To correct the condition, follow the Service Procedure to update the GWM to the latest software level via a coordinated flash.
23B052023-03-07. Service bulletin. ENGINE AND ENGINE COOLING. Certain 2023 Model Year Explorer, Bronco, Ranger Vehicles Equipped with 2.3L Gas Engine In all of the affected vehicles, a damaged fixture used during the engine block machining process may have allowed the dimension of one of the head bolt bore holes to exceed specification, reducing head bolt thread engagement.

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