2021 Ford Bronco SportService bulletins
2021 Ford Bronco Sport Technical Service Bulletins
187 technical service bulletins (TSBs) are on record for the 2021 Ford Bronco Sport. 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.
- 11009564Oct 30, 2024Other or unknown. Some 2020-2024 Escape and 2021-2024 Bronco Sport vehicles may exhibit a moan noise when the vehicle is driven in reverse (R) in cold weather and/or high humidity.
- 11009190Oct 17, 2024Suspension. Some 2020-2024 Escape and 2021-2024 Bronco Sport vehicles may exhibit a moan noise when the vehicle is driven in reverse (R) in cold weather and/or high humidity. This may be due to the suspension sensitivity of the vehicle. To correct the condition, follow the Service Procedure to install brake pads with clips and if necessary, install the rear reinforced caliper bushings.
- 11008948Oct 10, 2024Other or unknown. While performing a transmission repair on some 2012-2024 Ford and Lincoln vehicles, a transmission seal kit may be on backorder due to supply chain interruptions. While performing a transmission repair on some 2012-2024 Ford and Lincoln vehicles, a transmission seal kit may be on backorder due to supply chain interruptions.
- 11008213Sep 25, 2024Other or unknown. Some 2021-2024 Bronco Sport vehicles equipped with a 1.5L EcoBoost engine may exhibit water coolant pump leaks.
- 11007962Sep 18, 2024Other or unknown. Some 2020-2024 Escape, 2021-2024 Bronco Sport and 2022-2024 Maverick vehicles may exhibit the uncommanded locking of the driver door after the door is closed.
- 11006862Aug 23, 2024Other or unknown. Some 2019-2024 Ford and Lincoln vehicles equipped with a telematics control unit module (TCU) may exhibit the Location toggle button in the Connectivity setting menu grayed out with an inability to switch it off.
- 11006036Jul 23, 2024Other or unknown. Certain 2018 - 2024 Model Year Various Vehicles Update SYNC Software In all the affected vehicles, due to an error in the SYNC software, you may experience SYNC system instability concerns and/or a failure to preserve certain settings across ignition cycles. This may result in a black infotainment screen that does not affect rear view camera, incorrect language setting, erased or unsaved radio presets, and…
- 11005746Jul 16, 2024Other or unknown. Some 2019-2024 Ford and Lincoln vehicles equipped with SYNC3 may experience various FordPass/LincolnWay connectivity concerns including but not limited to: missing activation prompt (pop-up) on the vehicle's center display screen when attempting to activate vehicle through FordPass/LincolnWay, incorrect location/global positioning system (GPS) reported through FordPass/LincolnWay, problems with remote commands…
- 11005710Jul 9, 2024Other or unknown. Some 2019-2024 vehicles equipped with SYNC 3 may experience a programming Error - "INSTL_ERR12" while programming APIM using the Ford Diagnosis and Repair System (FDRS) or experience a frozen screen which says "updating system software" or no progress/response from module using the universal USB updater. This may be due to low memory in the APIM commonly occurring on software level NU5T-14G381-AB/BB.
- 11003146Jun 28, 2024Other or unknown. Some 2019-2024 vehicles equipped with SYNC 3 may experience a programming Error - "INSTL_ERR12" while programming APIM using the Ford Diagnosis and Repair System, or experience a frozen screen which says "updating system software" or no progress/response from module using the universal USB updater. This may be due to low memory in the APIM commonly occurring on software level
- 11003136Jun 20, 2024Other or unknown. Some 2020-2024 Escape/Corsair, 2021-2024 Bronco Sport/F-150, and 2022-2024 Maverick vehicles may exhibit a condition where the door(s) do not open using the exterior door handle(s). This may be due to an enabled door reinforcement inertia lock within the exterior door handle. This condition occurs when the doors are closed or opened with excessive force.
- 11001583Jun 7, 2024Transmission and drivetrain. This article supersedes TSB 23-2335 to update the TSB title, vehicles affected and parts list. Some 2021-2023 Bronco Sport vehicles equipped with a 1.5L engine built on or before 30-Nov-2022, 2021-2022 Bronco Sport vehicles equipped with a 2.0L engine built on or before 28-Feb-2022, 2020-2022 Escape/Corsair vehicles equipped with 1.5L/2.0L/2.3L engines built on or before 30-Apr-2022, 2020-2022 Escape vehicles…
- 11001646Jun 6, 2024Other or unknown. This article supersedes TSB 23-2307 to update the Service Procedure and vehicle model years affected. Some 2019-2020 Edge/F-150/Fusion/Continental/MKZ/Nautilus, 2019-2021 Transit Connect, 2019-2023 Mustang, 2019-2023 Ranger, 2020-2021 Expedition/Navigator, 2020-2022 Escape/Corsair/Super Duty/EcoSport, 2020-2024 Explorer/Aviator/Transit, 2021-2024 Bronco Sport, 2022-2024 Maverick vehicles with SYNC 3 may experience…
- 11000187May 7, 2024Other or unknown. Some 2020-2024 Escape and 2021-2024 Bronco Sport vehicles may exhibit a moan noise when the vehicle is driven in reverse (R) in cold weather and/or high humidity. Ford is aware of the concern and this condition does not affect vehicle durability and no additional diagnosis or service is required for this condition at this time.
- 11000733May 2, 2024Other or unknown. This article supersedes TSB 23-2298 to update the production fix date and parts list. Some 2021-2024 Bronco Sport vehicles equipped with a 1.5L engine built on 24-Jul-2021 and through 14-Dec-2023 may exhibit a hissing noise from rear liftgate area when driving straight between 35-50 mph (5680 km/h). This may be due to the absence of the rear floor insulator located in the spare tire compartment.
- 10254138Apr 24, 2024Equipment. All accessory stick-on keyless entry keypads come with a wallet card containing the master code. If the accessory keypad was factory installed, this card will be placed in the glove box and should be handed to the vehicles owner during initial delivery. Unlike the integrated (wired) factory keypad, the accessory keypad master code cannot be retrieved from the vehicle using a diagnostic scan tool. If the wallet…
- 10253552Apr 3, 2024Other or unknown. Various vehicles have had pinpoint tests, guided routines and the Warranty and Policy Manual recentlyupdated for diagnostics and repairs on SYNC generation 3 and later applications. When performingdiagnostics and repairs on SYNC Gen 3 or later, select the diagnostics tab and search for related symptoms,DTCs and keywords. The search results will be shown in the search results pane.
- 10252410Apr 1, 2024Equipment. Customer Satisfaction Program 22N15 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 Adding Not OTA Capable Owner letters. Other documents submitted 01/02/24 & Received OTA letters submitted on…
- 10252626Mar 14, 2024Engine cooling. Some 2021-2024 Bronco Sport vehicles equipped with a 1.5L EcoBoost engine may exhibit water coolant pump leaks. This may be due to contamination in the coolant system. To correct this condition and prevent recurrent water pump failures, perform a coolant system flush. Refer to the Workshop Manual (WSM), Section 303-03A Engine Cooling - 1.5L EcoBoost > General Procedures > Engine Cooling System Flushing > Steps 1-8…
- 10251952Mar 6, 2024Engine cooling. For 2015-2024 Ford and Lincoln vehicles equipped with turbocharged engines and customer concern of an engine oil leak, refer to Workshop Manual (WSM), Section 303-00 for oil leak inspection and testing methods. Ford has evaluated turbochargers replaced for oil leak symptoms and although oil may collect on the external surface of a turbocharger, it is extremely rare for a turbocharger assembly to be the root cause…
- 10251934Mar 1, 2024Transmission and drivetrain. During service and repair requiring removal and replacement of a crankshaft bolt and/or crankshaft damper, achieving proper torque of the crankshaft pulley bolt is critical. Incorrect torque may allow the bolt to loosen resulting in the timing gear breaking and engine damage. Replacement of the bolt is critical to the repair and accurately following the installation procedure in the Workshop Manual (WSM) Section…
- 10250852Feb 29, 2024Electrical system. Some 2020-2023 Ford and Lincoln SYNC3 equipped vehicles may experience an inaccurate notification in the FordPassî/LincolnWayî 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…
- 10249489Jan 19, 2024Electrical system, Other or unknown. 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
- 10248986Jan 4, 2024Latches, locks and linkages. When replacing the liftgate latch assembly on 2021-2022 Bronco Sport vehicles, the service part number called out in the parts catalog for the liftgate latch assembly M1PZ-7443150-B is incorrect. The correct service part number is JL1Z-7443150-A.
- 10248066Dec 12, 2023Equipment. 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
- 10244798Oct 27, 2023Transmission and drivetrain, Engine cooling. Some 2021-2023 Bronco Sport vehicles equipped with a 1.5L engine built on or before 30-Nov-2022, 2021-2023 Bronco Sport vehicles equipped with a 2.0L engine built on or before 28-Feb-2022 or 2020-2022 Escape/Corsair non-plug in hybrid electric vehicle (PHEV) vehicles built on or before 30-Apr-2022 may exhibit a chatter/shudder during low speed turning events. This may be due to contamination of the rear drive unit…
- 10244711Oct 10, 2023Brakes, Equipment, Transmission and drivetrain. Some 2020-2023 Escape and 2021-2023 Bronco Sport vehicles may exhibit a moan noise when the vehicle is driven in reverse (R) in cold weather and/or high humidity. This may be due to the suspension sensitivity of the vehicle. To correct this condition, follow the Service Procedure to replace the standard and reinforced rear caliper bushings and apply Kluberpaste to the machined surfaces of the brake caliper and…
- 10244707Oct 5, 2023Equipment, Other or unknown, Electrical system. 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…
- 10243474Sep 26, 2023Body and structure, Equipment. Some 2021-2023 Bronco Sport vehicles equipped with a 1.5L engine built on 24-Jul-2021 and through 31-Aug-2023 may exhibit a hissing noise from rear liftgate area when driving straight between 35-50 MPH (56 80 Km/h). This may be due to the absence of the rear floor insulator located in the spare tire compartment. To correct this condition, follow the Service Procedure to install a rear floor insulator in the spare…
- 10241544Aug 23, 2023Exterior lighting. Some 2021-2023 Bronco Sport vehicles built on or before 01-Nov-2022 equipped with light emitting diode (LED) control module (A2C7636130500 printed onto the module label) may exhibit a condition where the daytime running lamps (DRLs) stay on for up to 10 minutes after the vehicle is turned off and/or daytime running lamps momentarily dim to park intensity when the turn signal lamp is cancelled before returning to…
- 10241597Aug 21, 2023Visibility (wipers, defrost, mirrors), Equipment. Some 2021-2023 Bronco Sport and 2020-2023 Escape vehicles may exhibit a rattle or flapping noise coming from the rear air extractors while driving. This may be due to the normal operation of the rear air extractors. To determine if this is a normal condition, perform a road test at 40 mph (65 km/h) or above. Inspect if the noise is coming from the rear extractors. During the road test alternate air conditioning…
- 10241542Aug 16, 2023Engine cooling. Some 2020-2022 Escape built and 2021-2023 Bronco Sport vehicles, built on or before 28-Sep-2022, equipped with a 1.5L Ecoboost engine and a 8F35 transmission may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0420 stored in the powertrain control module (PCM). This may be due to the catalytic converter. To correct this condition, follow the Service Procedure to replace…
- 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…
- 10240577Aug 1, 2023Transmission and drivetrain, Other or unknown, Equipment. Some 2019-2023 Edge/Nautilus, 2020-2023 Escape/Corsair, 2021-2023 Bronco Sport, 2022-2023 Maverick vehicles equipped with all wheel drive (AWD) may exhibit chatter/shudder during low speed turning events. This may be due to fluid contamination in the rear drive unit (RDU). Drain and refill the RDU, refer to Workshop Manual Section (WSM) 205-02. Drive for 5 miles (8 km) in stop and go conditions with right and left…
- 10239630Jul 24, 2023Steering. Some 2020-2022 Escape/Corsair, 2021-2022 Bronco Sport, and 2022 Maverick vehicles built on or before 23-Mar-2022 may exhibit a hard, stiff, and/or difficult to turn condition due to a lack of power steering assist during engine start-up with U3000 diagnostic trouble codes (DTCs) stored in the PSCM. Using the latest version of Ford Diagnosis and Repair System (FDRS) tool, select and run the PSCM - Reset the Power…
- 10239627Jul 21, 2023Body and structure. Some 2021-2023 Bronco Sport vehicles equipped with a 1.5L engine and active torque coupling differential may exhibit a hissing noise from rear liftgate area when driving between 35 to 50 MPH (56-80 Km/h). This condition could be eliminated when the vehicle is driven in slippery mode. This condition does not affect the vehicle durability and no additional diagnosis or service is required for this condition at this…
- 10239624Jul 19, 2023Engine cooling. Some 2021-2023 Bronco Sport vehicles equipped with a 1.5L EcoBoost engine may require removal of the accessory drive belt, such as during the coolant pump removal and installation procedure. The accessory drive belt removal and installation procedure in the Workshop Manual (WSM), Section 303-05A, has been updated to eliminate the requirement to remove the fender splash shield and replace the front fender molding…
- 10239623Jul 19, 2023Engine cooling, Transmission and drivetrain. Some 2020-2023 Escape and 2021-2023 Bronco Sport vehicles equipped with the 1.5L engine may exhibit a lugging vibration and/or boom noise while driving in gears 5-8 at approximately 1500 engine revolutions per minute (RPM). This may be felt more when the engine is under a light to moderate load. A vibration and/or boom noise could be generated from the firing frequency of the 3 cylinders or when cylinder…
- 10239099Jul 7, 2023Back-over prevention (rear camera), Equipment. Some 2020-2021 Escape built on/before 23-Nov-2021, 2021 F-150 built on/before 08-Oct-2021, 2021 Mustang Mach-E built on/before 29-Mar-2021, 2021 Expedition built on/before 05-Aug-2021, 2021 Explorer built on/before 27-Sep-2021 and 2020-2022 Edge may exhibit a concern of the audio system does not power on, no sound from audio speakers, chimes default to coming through the instrument cluster, no communication with…
- 10237977Jun 16, 2023Electrical 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…
- 10237976Jun 16, 2023Visibility (wipers, defrost, mirrors), Equipment. Some 2021-2023 Bronco Sport vehicles equipped with a 1.5L engine may exhibit: insufficient cooling from the air conditioning (A/C), under hood popping/knocking/hissing noises and/or under hood smoke, coolant stains and/or spills on to the A/C compressor and clutch assembly. The compressor clutch might fail after operating the A/C system if the exterior of the compressor gets wet.
- 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.
- 10236579May 19, 2023Latches, locks and linkages. Some 2020-2023 Escape/Corsair, 2021-2023 Bronco Sport and 2022-2023 Maverick vehicles may exhibit a condition where the door(s) do not open using the exterior door handle(s). This may be due to an enabled permanent engagement inertia lock within the exterior door handle, this condition occurs when the doors are closed or opened with excessive force.
- 10236581May 16, 2023Equipment, Exterior lighting. Some 2021-2022 Bronco Sport vehicles may exhibit a condition where the low beams turn on by themselves while the vehicle is OFF for 10 or more minutes with diagnostic trouble code (DTC) B1533 stored in the body control module (BCM). This may be due to the internal logic within the headlamp switch. To correct this condition, replace the headlamp switch (service base PN: 11654). Refer Workshop Manual, Section 417-01.
- 10234136Apr 5, 2023Electrical system, Visibility (wipers, defrost, mirrors). 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…
- 10234133Apr 4, 2023Transmission and drivetrain. Some 2021-2023 Bronco Sport vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P025A, P025B, P00C6, P008A, P0627 and/or U0109 stored in the powertrain control module (PCM). This may be due to an intermittent or partial disconnect of the harness, connector pin push-outs or loose/corroded grounds to the fuel pump control module (FPCM) connector, PCM connector and/or battery junction box…
- 10233742Mar 17, 2023Transmission and drivetrain. Some 2020-2022 Escape/Corsair, 2021-2022 Bronco Sport, and 2022 Maverick vehicles built on or before 23-Mar-2022 may exhibit a hard, stiff, and/or difficult to turn condition due to a lack of power steering assist during engine start-up with U3000 diagnostic trouble codes (DTCs) stored in the PSCM. Using the latest version of Ford Diagnosis and Repair System (FDRS) tool, select and run the PSCM - Reset the Power…
- 10233738Mar 15, 2023Equipment. Some 2020-2023 Ford and Lincoln SYNC3 equipped vehicles may experience an inaccurate notification in the FordPassî/LincolnWayî 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…
- 10233848Mar 14, 2023Engine cooling. Certain 2021-2023 Model Year Bronco Sport and 2020-2022 Model Year Escape Vehicles with a 3-cylinder 1.5L Engine Replacement of High-Pressure Fuel Injectors
- 10233713Mar 14, 2023Vehicle speed control, Forward collision avoidance. Some 2020-2022 Escape/Corsair, 2021-2022 Bronco Sport, 2022 Maverick vehicles built on or before 23-Mar-2022 may exhibit 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.
← All problems reported for the 2021 Ford Bronco Sport
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.