WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

Bulletins, newest first
TSB 23-23352023-11-03. Service bulletin. POWER TRAIN; ENGINE AND 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 (RDU) fluid through the RDU vent hose. To correct the condition, follow the Service Procedure to replace the RDU vent hose.
TSB 23-23082023-11-02. Service bulletin. SERVICE BRAKES, AIR:DISC:CALIPER; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:BEARINGS/BUSHINGS; EQUIPMENT. 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 caliper support bracket.
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.
TSB 23-22982023-10-03. Service bulletin. EQUIPMENT; STRUCTURE:BODY:HATCHBACK/LIFTGATE. 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 tire compartment.
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 518742023-09-02. Service bulletin. EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. 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 (A/C) between fresh mode and air re-circulation mode. If the noise is eliminated when the A/C is in fresh mode, this is considered a normal characteristic of the vehicle and no repairs should be performed.
TSB 23-22672023-09-01. Service bulletin. EXTERIOR 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 full DRL intensity. This may be due to the software in the LED control module. To correct this condition, follow the Service Procedure to replace both LED control modules and update the configuration of the body control module (BCM).
TSB 23-22592023-09-01. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. 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 the catalytic converter.
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 518232023-08-11. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN. 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 turns and re-evaluate. If the issue is still present, continue with normal WSM diagnostics. For claiming, use base (4000) causal part.
SSM 518082023-07-26. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. 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 time. Inform the customers that they can continue to drive the vehicle and engineering is currently working on a solution for this condition that is expected in September 2023. The replacement of the rear drive unit (RDU) is not recommended for this condition. Monitor OASIS for additional information and schedule a service appointment for customers once the repair becomes available.
SSM 518122023-07-25. Service bulletin. STEERING. 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 Steering Control Module (PSCM) application. After PSCM reset, perform an ignition cycle. Update the PSCM to the latest software level using FDRS tool. If the U3000 DTC returns, continue with diagnostics and repair direction using Workshop Manual (WSM), Section 211-02 > Power Steering > Diagnosis and Testing. For claiming, use causal part 3C529 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 518002023-07-25. Service bulletin. ENGINE AND ENGINE 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 and rocker panel molding.
SSM 517992023-07-25. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. 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 deactivation occurs and the engine is running on 2 cylinders. This condition is more noticeable when the vehicle is driven in ECO mode. This mode was designed to deliver maximum fuel efficiency and increase the driving range.
SSM 517782023-07-20. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; BACK OVER PREVENTION:SOFTWARE. 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 audio control module (ACM) or digital signal processor (DSP) module, and/or diagnostic trouble code (DTC) U0184, U0237 and/or U0238. To correct the 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 Manual.
SSM 517242023-06-28. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; 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. Perform pin point test J, refer to the Workshop Manual, Section 412-00 Climate Control System > General Information > Diagnosis and Testing. If a compressor clutch failure is identified, replace the compressor clutch only. Do not replace the A/C compressor if no performance issues are identified. Document the PPT J results in the warranty claim. For claiming, use causal part 19V649 and applicable labor operations in Section 11 of the Service Labor Time Standards (SLTS) Manual.
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.
TSB 23-21562023-05-31. Service bulletin. LATCHES/LOCKS/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. To correct this condition, follow the Service Procedure to properly disengage the permanent engagement inertia lock clip to allow the exterior door handle(s) to fully extend and open the door(s) from the exterior.
SSM 516452023-05-23. Service bulletin. EQUIPMENT:ELECTRICAL; 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.
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 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 515372023-05-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 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 connector. Inspect the following connectors for 1.5L and 2.0L engines: C1551B, C1035A, C110, C401, C4033, C4330. Verify the connections are fully seated, without damage and/or pushed out pins/terminals prior to performing Workshop Manual (WSM) diagnostics or replacing any components. Inspect G404 and verify it's clean and secure. If any connector damage is found, repair as necessary. Refer to Wiring Diagram, Cell 005.
22N182023-04-06. Service bulletin. ENGINE AND ENGINE 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
22L052023-04-06. Service bulletin. EQUIPMENT:OTHER:LABELS; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 2020-2022 Model Year Escape and Corsair, 2021-2022 Bronco Sport and 2022 Maverick Vehicles Equipped With a 2.0L EcoBoost Engine Vehicle Emissions Control Information Label Update Owner Letters
SSM 514592023-04-05. Service bulletin. POWER TRAIN. 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 Steering Control Module (PSCM) application. After PSCM reset, perform an ignition cycle. Update the PSCM to the latest software level using FDRS tool. If the U3000 DTC returns, continue with diagnostics and repair direction using Workshop Manual (WSM), Section 211-02 > Power Steering > Diagnosis and Testing. For claiming, use causal part 3C529 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.

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