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Service bulletins for the 2021 Ford Bronco Sport

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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
SSM 551492026-09-12. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Some 2021-2024 Bronco Sport vehicles equipped with a 1.5L may exhibit a lack of air conditioning (A/C) cooling while at a stop and idling in ambient temperatures of 100°F (38°C) or higher. In addition, there are no diagnostic trouble codes (DTC) present related to A/C system functionality, refrigerant charge levels are to specification and system is free of refrigerant leaks and/or A/C compressor related concerns. Customers may also report that A/C system cooling will be restored once the vehicle starts moving or placed in park/neutral.<br /><br /> This condition does not affect vehicle durability and no additional diagnosis or service is required for this condition at this time. Inform customers that they can continue to drive the vehicle and engineering is currently working on a solution for this condition that is expected in Q4 2026. Replacement or reprogramming of any components will not resolve this condition. Monitor Professional Technician System (PTS) for additional information and schedule service appointments for customers once the repair becomes available.<br /><br /> If the vehicle exhibit
26E042026-08-03. Emissions. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. NEW VEHICLE DELIVERY HOLD - Emissions Recall 26E04 Certain 2021-2025 Model Year F-150, Maverick, Mustang, Ranger, Expedition, Bronco Sport, Explorer, Bronco, Navigator, and Aviator Vehicles Powertrain Control Module Software Update
SSM 547202026-04-10. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE: BLIND SPOT DETECTION. Various 2020-2026 Ford and Lincoln vehicles equipped with blind spot information system (BLIS) may experience an inoperative blind spot monitoring with a "Blind Spot System Fault" message displayed in the instrument panel cluster (IPC). This may also be accompanied by diagnostic trouble codes (DTCs) B118C:11 and/or B118C:15 stored in the driver door module (DDM), and/or B118D:11 and/or B118D:15 stored in the passenger door module (PDM). This may be due to the wiring connector from the mirror to the BLIS module. If diagnostics lead to an internal mirror wiring harness fault, a new lower level BLIS light pigtail is now released for service. It is not necessary to replace the exterior mirror assembly. Use part number SC3Z-14A411-B to resolve the concern.
SSM 545892026-03-04. Other. ELECTRICAL SYSTEM. Some 2019-2024 Ford and Lincoln vehicles equipped with SYNC3 may experience various connectivity concerns with The Ford App Lincoln App including but not limited to: missing activation prompt pop-upon the vehicle's center display screen when attempting to activate vehicle through The Ford App Lincoln App, incorrect location global positioning system GPS reported through The Ford App Lincoln App, problems with remote commands being performed through The Ford App Lincoln App and or incorrect data information reported on The Ford App Lincoln App. These symptoms will be accompanied by diagnostic trouble code DTC B156D 89 in the TCU. This may be due to the accessory protocol interface module APIM software. To correct the condition, update the APIM software.
SSM 546012026-02-27. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY; UNKNOWN OR OTHER. Ford and Lincoln vehicles equipped with wired keyless entry keypad systems and accessory wireless keyless entry keypad systems may or may not come with a wallet card containing the master code. Unlike the integrated wired keypad, the accessory wireless keypad master code cannot be retrieved from the vehicle using a diagnostic scan tool or from the label printed on the body control module (BCM). The Factory Keyless Entry Code application within the diagnostic scan tool will not provide an applicable master code for the accessory wireless keypad. If the wallet card for an accessory keypad is not available, the "Wireless RF Keypad Diagnosis Guide" can be referenced and provides direction on how to retrieve the master code. This guide is located under the Workshop Manual tab > Accessories > Installation > Wireless RF Keypad Diagnosis Guide > PPT C > Step C2.<br /><br /> Note: The only available keypad for some vehicles from the assembly plant is the accessory wireless keyless entry keypad. The integrated wired keypad cannot be installed on vehicles not equipped from the factory with a wired keyless entry k
SSM 543132025-10-28. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION; ELECTRICAL SYSTEM. Some 2020-2025 various Ford and Lincoln vehicles equipped with blind spot information system (BLIS) may experience an inoperative blind spot monitoring with a "Blind Spot System Fault" message displayed in the instrument panel cluster (IPC). This may also be accompanied by diagnostic trouble codes (DTCs) B118C:11 and/or B118C:15 stored in the driver door module (DDM), and/or B118D:11 and/or B118D:15 stored in the passenger door module (PDM). This may be due to the wiring connector from the mirror to the BLIS module. If diagnostics lead to an internal mirror wiring harness fault, a new lower level BLIS light pigtail is now released for service. It is not necessary to replace the exterior mirror assembly. Use part number SC3Z-14A411-B to resolve the concern.
SSM 541402025-08-19. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Some 2021-2024 F-150 vehicles equipped with a B&amp;O audio system (minor feature code IDBBQ), and various 2021-2024 Ford and Lincoln vehicles equipped with a B&amp;O audio system may exhibit a pop noise and/or static in the speakers at start up that cannot be turned down or off using the audio system controls. To confirm a vehicle is built with a certain minor feature code, review the build information by double-clicking the vehicle identification number (VIN) in the upper left corner on Professional Technician System (PTS). This may be due to software in the digital signal processing (DSP) module. To correct this condition, reprogram the DSP module to the latest software level using the Ford Diagnosis and Repair System (FDRS) scan tool. For claiming, use causal part 18B849 and labor operations 12651D and 12651D4.
SSM 541162025-08-12. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Various 2019-2024 Ford and Lincoln vehicles equipped with SYNC 3 may experience a partially or fully black center display screen at start-up using Apple CarPlay or Android Auto. This does not affect rear camera operation. This may be due to interference from the phone being connected into the media hub using a universal serial bus (USB) cable during SYNC system boot up. To correct his condition, advise the customer to disconnect the USB cable from the phone. If the center display screen displays normally, reconnect the phone. If the concern persists, disconnect the phone from the USB cable, cycle the ignition off and open the driver's door so the interior lights come on. Close the door, start the vehicle and wait for the center display screen to boot up past the start-up animation and display the home screen, then reconnect the phone using the USB cable. If the concern persists after this procedure, follow normal Workshop Manual diagnostics for a blank screen concern.
SSM 539662025-06-24. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Some 2021-2025 Ford/ Lincoln vehicles equipped with SYNC4 may not be able to perform an update to the accessory protocol interface module (APIM). This may be due to the software in the APIM. Ford Engineering has de-activated the ability to update these SYNC4 APIM modules as applicable, and the Ford Diagnosis and Repair System (FDRS) will not present an update for the APIM module. Some existing directed repairs may be impacted, check Professional Technician System (PTS) before attempting any specific technical service bulletin (TSB)/special service message (SSM) and check field service action (FSA) landing pages before attempting any FSA repairs. For any vehicle repairs requiring a software update that includes an APIM update in the programming sequence, if the 5-digit product code for the APIM software is equal to or lower than 23187, do not attempt to update affected modules at this time. To determine the 5-digit product code for the APIM software on the vehicle, while the vehicle center display screen is powered up with ignition in run or accessory, go to Settings > General > About SYNC.
SSM 523072024-03-05. Service bulletin. ELECTRICAL SYSTEM. Some 2020-2023 Ford and Lincoln SYNC3 equipped vehicles may experience an inaccurate notification in the FordPass®/LincolnWay® app indicating Vehicle Has Entered Deep Sleep Mode. Vehicle Has Entered Deep Sleep Mode message is expected if 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%. If the vehicle is going into deep sleep due to one of these conditions, follow normal Workshop Manual (WSM) Section 414-01 procedure to correct the concern. If the vehicle is going into deep sleep outside these conditions, this may be due to the telematics control unit (TCU) software. To correct this condition, follow the Service Procedure to update the TCU to the latest software. For claiming, use causal part 14G229 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
22N152024-02-01. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE; UNKNOWN OR OTHER. Certain 2020-2023 Model Year Bronco Sport, Escape, Corsair, E-Series, F-650/F-750, F-53 Motorhome Chassis, F-59 Commercial Stripped Chassis Vehicles Equipped with Smart Data Link Connector (SDLC) Gateway Module Reprogramming for Inspection and Maintenance (I/M) Testing Addinf owner letters. First part submitted 01/02/24
TSB 23-23072023-11-02. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Some 2019-2020 Edge/F-150/Fusion/Continental/MKZ/Nautilus, 2019-2021 Mustang/Ranger/Transit Connect, 2020-2021 EcoSport/Escape/Expedition/Explorer/F-Super Duty/Aviator/Corsair/Navigator, 2021 Bronco Sport and 2020-2022 Explorer/Aviator vehicles with SYNC 3 may experience various SYNC performance related concerns. This may be due to the SYNC Software. To correct the condition, follow the Service Procedure to update the SYNC module (APIM) software.
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 517252023-06-21. Service bulletin. ELECTRICAL SYSTEM. Some 2020-2023 Ford and Lincoln SYNC3 equipped vehicles may experience an inaccurate notification in the FordPass®/LincolnWay® app indicating Vehicle Has Entered Deep Sleep Mode. Vehicle Has Entered Deep Sleep Mode message is expected if 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%. If the vehicle is going into deep sleep outside these conditions, this may be due to the telematics control unit (TCU) software. To correct this condition, follow the Service Procedure to update the TCU to the latest software. For claiming, use causal part 14G229 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 515412023-05-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. All 2021-2023 Bronco Sport vehicles have a headlamp low beam pattern with a dark band above the vertical reference line. It is by design that there is no light directed in this area to satisfy regulatory requirements and also to minimize glare to oncoming traffic. Secondly, in the low beam pattern there is some light directed upward to satisfy regulatory requirements and also to assist with overhead sign visibility. This a characteristic of the vehicle. Do not attempt any repairs for this condition.
SSM 510482022-08-30. Service bulletin. ELECTRICAL SYSTEM. Some 2021-2022 Bronco Sport vehicles equipped with 2.0L engine may exhibit a malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0036 and/or P0138 stored in the powertrain control module (PCM). This may be due to corrosion or water intrusion in connector C201 and/or C1570. Prior to performing Workshop Manual (WSM) diagnostics, inspect the male and female side of connector C201 and C1570 for signs of corrosion or water intrusion. If corrosion or water intrusion is found, replace connector C201 and/or C1570 with a pigtail kit and apply Motorcraft® Electrical Grease (XG-12) or equivalent.
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 509742022-08-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Some 2020-2022 Escape/Corsair/F-53 Motorhome/F-59 Commercial Stripped Chassis, 2021-2023 F-650/F-750/E-Series, and 2021-2022 Bronco Sport vehicles may exhibit a communication fault with emissions inspection equipment. This may be due to the software in the gateway module (GWM). To correct this condition, reprogram the GWM to latest software level using the appropriate Ford diagnostic scan tool. Use causal part 14F642 and applicable labor times from Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 508732022-06-30. Service bulletin. ELECTRICAL SYSTEM. Some 2017-2022 Ford and Lincoln vehicle owners may experience a condition of missing authorization, command and control, battery charging details or phone-as-a-key setup buttons/selections in their FordPass or LincolnWay App. This condition is due to an error within the FordPass or LincolnWay App and not due to a concern on the vehicle. Verify that the customers FordPass or LincolnWay App is at the latest version. Replacement or reprogramming of the telematics control unit (TCU)/gateway module (GWM)/remote function actuator (RFA) will not resolve this condition. If the condition persists, utilize the FordPass Guides or Lincoln Way Concierge teams.
TSB 22-22252022-06-13. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Some 2019-2020 Edge/F-150/Fusion/Continental/MKZ/Nautilus, 2019-2021 Mustang/Ranger/Transit Connect, 2020-2021 EcoSport/Escape/Expedition/Explorer/F-Super Duty/Aviator/Corsair/Navigator, 2021 Bronco Sport and 2020-2022 Explorer/Aviator vehicles with SYNC 3 may experience various SYNC performance related concerns. This may be due to the SYNC Software. To correct the condition, follow the Service Procedure to update the accessory protocol interface module (APIM) software.
SSM 507712022-05-16. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Some 2020-2022 Escape/Corsair, 2021-2022 Bronco Sport, 2022 Maverick vehicles may exhibit any of the following driver assistance warning messages displayed in the instrument panel cluster (IPC): Pre-collision Assist Not Available, Cruise Control Not Available, Collision Warning Malfunction and/or Adaptive Cruise Control Malfunction. Diagnostic trouble code (DTC) U0415:00 may also be stored in the power steering control module (PSCM), DTC C0051:67 stored in the anti-lock brake system (ABS) module and DTC U0418:86 stored in the image processing module A (IPMA). This may be due to the software in the power steering control module (PSCM). To correct this condition, using the latest version of Ford Diagnosis and Repair System (FDRS) scan tool. Update the PSCM to the latest software level.
SSM 507392022-05-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Some 2020-2021 Escape vehicles and 2021 F-150/Mustang Mach-E/Expedition/Explorer vehicles built on or before 22-Nov-2021 may exhibit a concern of the audio inoperative, no sound from audio speakers, chimes default to coming through the Instrument cluster, no communication with audio control module (ACM) or digital signal processor (DSP) module, and/or DTC U1084, U0237 and/or U0238. This may be due to the software in the DSP. To correct this condition, perform a hard reset of the DSP by disconnecting the 12-volt battery. Reprogram the DSP module using the latest version of the appropriate Ford diagnostic scan tool. For claiming, use causal part 18B849 and any applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 504852022-02-16. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Some 2019-2022 Edge/Nautilus, 2020-2022 Escape/Corsair, and 2021-2022 Bronco Sport vehicles equipped with a 2.0L EcoBoost or 2.3L EcoBoost may exhibit a lack of power with an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P02AB, P0243, P0299, P25B3, P25B4, P2AB7, P2AB8 and/or P2AB9. This may be due to an inoperative wastegate actuator, missing wastegate actuator e-clip or non-visible damage to the actuator rod. If the diagnostic procedures lead to replacement of the turbocharger assembly, note that a lower level service component has been released K2GZ-9G488-B for Edge/Nautilus/Escape/Corsair/Bronco Sport for service to replace the actuator, actuator rod and both e-clips instead of a complete turbocharger assembly. When replacing the wastegate actuator, it is required to replace all parts included in the service kit.
SSM 504582022-02-16. Service bulletin. STRUCTURE:BODY; UNKNOWN OR OTHER; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS. Some 2020-2021 Explorer/Aviator/Escape/Corsair, 2021-2022 Bronco Sport, and 2022 Maverick vehicles may exhibit an inoperative driver door window control switch (windows inoperative, mirror control unresponsive, etc.). Diagnostic trouble code (DTC) B1088:87 may be present in the driver door module (DDM). This may be due to the software in the DDM. To correct the condition, reprogram the DDM with the latest software level of the Ford Diagnosis and Repair System (FDRS). After reprogramming the DDM, run the DDM configuration application and perform a window learn routine via FDRS. For claiming, use causal part 14B291 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 503752021-12-27. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. Some 2016-2021 Ford and Lincoln vehicles equipped with SYNC 3 may exhibit a condition where the navigation voice prompts are inoperative after a SYNC map update. This may be due to an incomplete installation of the SYNC map software. If possible, using the original USB that installed the update, reperform the update and verify the navigation voice prompts have returned. Multiple reboots are expected when this update is being performed. Verify the Installation Is Complete message displays in the touch screen. If the original USB is not available, go to website https://syncnavigation.com/ford/home or https://syncnavigation.com/lincoln/home to download the files once more for the affected vehicle. For further map update support, reference the FAQ section on these websites.

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