2021 Ford Bronco Technical Service Bulletins

324 technical service bulletins (TSBs) are on record for the 2021 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.

• 10228960Dec 8, 2022Back-over prevention (rear camera). Priority Update 22-PU0925-HAZ-FLH for 2021-2022 Bronco vehicles is now available. Quality improvements include: - improvement to engine stop/start and hazard light interaction. - improvement to ignition chime duration during Neutral tow mode. - improvement to zone lighting 12V battery drain.
• 10228842Dec 1, 2022Brakes, Engine cooling. Some 2021-2023 Bronco vehicles equipped with a 2.7L or 3.0L EcoBoost engine may exhibit noises coming from the brake pedal while applying and/or releasing the brake pedal or while the vehicle is off without brake pedal application. A single click and/or clunk may be heard during brake pedal application and again on brake pedal release and is considered normal. Clicking may also be heard while the vehicle is off…
• 10226953Nov 23, 2022Electrical system, Equipment. Certain 2021 Model Year Mach-E, F-150, Bronco, Edge, Nautilus vehicles Electronic Control Module Recovery REASON FOR THIS SUPPLEMENT Program Terms: The program expiration date was incorrectly shown as October 31. 2022. The correct date is April 30, 2023. Affected Vehicles: The build dates were updated. Verbiage added to indicate the population will increase as more vehicles with modules needing recovery are…
• 10226941Nov 23, 2022Transmission and drivetrain, Other or unknown. Some 2021-2022 Bronco vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator and diagnostic trouble codes (DTCs) C05D9:19 and/or C05D9:99 stored in the all-wheel drive (AWD) module and inoperative AWD system. These DTCs maybe setting due to a low battery state of charge. To correct the condition, follow the Service Procedure to verify the battery condition and reprogram the AWD module.
• 10226768Nov 18, 2022Back-over prevention (rear camera). Some 2021-2022 Bronco vehicles equipped with a 2.7/3.0L engine may experience a loss of the go over any terrain (GOAT) mode and/or differential locking function when two diagonal wheels lose traction simultaneously while the other two wheels maintain traction. Diagnostic trouble code (DTC) U0415 may be set in several modules. The issue should correct itself after the vehicle is driven on flat ground and over 28 MPH…
• 10227497Nov 17, 2022Equipment. Priority Update 22-PU1010-MIL-LT for 2021-2022 Model Year Bronco vehicles is now available. Quality Improvements Include: Improvements to neutral tow and EBB interaction, improvements to ESC-OFF switch not reacting, improvement to MIL lights triggering when doors are removed, Improvement to calibration of brake fluid viscosity algorithm to prevent false DTC detection at cold weather.
• 10226937Nov 17, 2022Other or unknown, Body and structure. This article supersedes TSB 22-2073 to update the Service Procedure. Some 2021-2022 Bronco vehicles equipped with a hard top may exhibit a loose and/or sagging headliner. This may be due to the factory installation process. To correct the condition, follow the Service Procedure to re-adhere the headliner.
• 10226759Nov 15, 2022Back-over prevention (rear camera). Some 2021-2022 Bronco vehicles equipped with the 2.3L engine may exhibit a red brake warning lamp and brake system warning message in the instrument panel cluster (IPC) with a diagnostic trouble code (DTC) P050F in the anti-lock brake system (ABS) module. This may be accompanied by an intermittent firm brake pedal after driving for long periods at highway speeds. This may be due to improper sealing of an internal…
• 10227496Nov 10, 2022Equipment. Priority Update 22-PU1010-SFT-QL for 2021-2022 Model Year Bronco vehicles is now available. Quality Improvements Include: Improvements to upshift hesitation under certain tip in scenarios, improvements to shift quality, update to prevent misfire codes, updates to the Universal Exhaust Gas Oxygen sensor GHG Parameter identification reporting and Catalyst Monitor Sensor.
• 10227495Nov 4, 2022Equipment. Priority Update 22-PU1007-DOR-UP for 2021-2022 Model Year Bronco vehicles is now available. Quality Improvements Include: improvement to short window drop, improvement to window bounceback.
• 10226751Nov 4, 2022Electrical system. Some 2021-2022 Bronco vehicles may experience multiple warning indicators/messages displayed in the instrument panel cluster including but is not limited to Pre-Collision Assist Not Available, Hill Start Assist Not Available and/or Front Camera Malfunction. The vehicle may also have multiple communication fault diagnostic trouble codes (DTC) setting in and/or related to the high speed control area network 2…
• 10226775Nov 1, 2022Back-over prevention (rear camera). This article supersedes TSB 22-2150 and SSM 50970 to update the Service Procedure. For some 2021 Mustang Mach-E, F-150, Edge, Nautilus and Bronco vehicles technicians may experience the inability to update the accessory protocol interface module (APIM), telematics control unit (TCU) or gateway module (GWM) using the Ford Diagnosis and Repair System (FDRS) and Universal Serial Bus (USB) drive.
• 10225437Oct 31, 2022Electrical system. Some 2021-2022 Bronco vehicles may exhibit a condition of intermittent headlamp operation while the vehicle is OFF and have 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.
• 10225438Oct 28, 2022Body and structure. Some 2021-2022 Bronco vehicles equipped with a soft top roof may experience a broken window buckle on the rear quarter or rear window assemblies. It is no longer required to replace the window assembly to repair this condition. Order the following buckle parts as needed: male side of the buckle (M2DZ-00817-C), which is located on the soft top window assemblies and the female side of the buckle (M2DZ-00817-A), which…
• 10225509Oct 24, 2022Body and structure. Some 2021-2022 Bronco vehicles may exhibit water leaks located at the A-pillars, overhead console/upfitter switches and/or sun visors. To correct the condition, follow the Service Procedure to diagnose and repair the water leak.
• 10224796Oct 18, 2022Equipment. Some 2021-2022 Bronco vehicles equipped with a soft top may exhibit exterior wear on the sides of the top above the B-pillar. This may be due to contact and rubbing between the soft top frame and fabric. To correct the condition, follow the Service Procedure to replace both right and left deflectors attached to the soft top frame and soft top cover.
• 10225538Oct 12, 2022Transmission and drivetrain. Certain 2021 Model Year Bronco Vehicles Front Driveshaft Replacement. In the affected vehicles, the front driveshaft constant-velocity (CV) joint boot material is not robust for this application and may fail under normal vehicle usage. A failed CV joint boot may result in a loss of grease and the accumulation of debris in the CV joint, leading to noise and/or vibration while driving.
• 10222788Oct 6, 2022Brakes. Some Ford and Lincoln vehicles may exhibit noise when the brakes are applied. When diagnosing and repairing brake noise conditions, use the Workshop Manual (WSM) and the appropriate pinpoint test in section 206-00. The brake rotors should only be machined if directed by the WSM because one or more of the following conditions are present on the braking surface: scoring, excessive corrosion/rust or pitting…
• 10222787Oct 4, 2022Body and structure. Some 2022 Bronco vehicles built on 01-Feb-2022 and through 10-Mar-2022 may exhibit rusted fasteners on the front fender trail sights (base part number 9920038). This may be due to a lack of protective e-coating applied to the bolts during the manufacturing process. Replacement of the exterior bodyside grab handle assembly will no longer be required. Trail sight fasteners are now available on their own as SPN…
• 10222313Sep 29, 2022Back-over prevention (rear camera). Software Update 3 Part 2 for 2021-2022 Model Year Bronco vehicles is now available. Quality Improvements Include: Functionality of rear view camera is improved.
• 10222195Sep 20, 2022Brakes. This article supersedes TSB 22-2210 to update the expected release date of the revised ABS module software. Customers who neutral (4-wheel flat) tow 2021-2022 Broncos equipped with an electronic brake booster (EBB) may report an inconsistent brake assist when a supplemental braking system has been installed.
• 10222458Sep 19, 2022Body and structure. Certain 2021 Model Year Bronco Vehicles Equipped with a Hard Top Roof Panel Delamination Program Terms - Updated to extend the program 1 additional year providing the vehicle is still within base warranty mileage limits. Owner Notifications - Revised owner letters
• 10222469Sep 16, 2022Body and structure. Harvest/Inspection Program Certain 2021 Model Year 5 Door Bronco Vehicles Side Impact Sensor Retaining Stud and Nut Inspection This program is a proactive investigation by Ford Motor Company to inspect for the correct installation of a side impact crash sensor. Specifically, Ford is investigating whether the right hand and/or left hand side impact sensor could be missing the retaining stud and nut that secure the…
• 10220384Sep 15, 2022Electronic stability control, Brakes. Some 2021-2022 Bronco vehicles equipped with a 2.7L or 3.0L EcoBoost engine may exhibit an illuminated anti-lock brake system (ABS) indicator and stability-traction control indicator, and diagnostic trouble code (DTC) C1013:09 stored in the ABS module. This may be due to ABS module software. To correct the condition, follow the Service Procedure to update the ABS module software.
• 10220383Sep 15, 2022Brakes. Some 2021-2022 Bronco vehicles equipped with a 2.7L or 3.0L EcoBoost engine may exhibit multiple error messages displayed in the IPC followed by automatic engagement of the parking brake immediately after starting the vehicle with the doors removed or after sitting in the vehicle for an extended period of time with the vehicle off. This may be due to the software within the anti-lock brake (ABS) module. To correct…
• 10218910Aug 31, 2022Back-over prevention (rear camera). Software Update 3 Part 1 for 2021-2022 Model Year Bronco vehicles is now available. Quality Improvements Include: Fix for low power mode rearview camera distortion when the vehicle is shut off and restarted quickly.
• 10218629Aug 15, 2022Electrical system. Some 2021-2022 Bronco vehicles equipped with a stabilizer bar disconnect system may exhibit an illuminated red and/or amber stabilizer bar disconnect indicator and diagnostic trouble code (DTC) C103A:74 stored in the chassis control module (CHCM). This may be due to the software in the CHCM. To correct the condition, follow the Service Procedure to reprogram the CHCM.
• 10217841Aug 11, 2022Engine cooling. The electronic parts catalog for the 2021-2022 Bronco equipped with a 2.7L GTDI engine had the incorrect engine oil dipstick assigned. This problem only existed for a few months and has since been corrected. The incorrect dipstick that showed in the catalog was SPN: MB3Z-6750-B/F (EPN: MB3E-6750-BB/BC). The 'MB3Z' dipstick (EPN: 'MB3E') is ONLY designed for use on the 2022 Bronco Raptor which is equipped with a…
• 10217830Aug 1, 2022Equipment. Some 2018-2022 Ford/Lincoln vehicles equipped with a wireless charging pad may exhibit one of the following if the customer is using a Magsafe iPhone (iPhone 12 or 13): slow charging, inoperative, notification that the phone has been mispositioned on the charging pad and/or the phone charging icon in the center screen display is not showing.
• 10217028Jul 29, 2022Electrical 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…
• 10216465Jul 22, 2022Visibility (wipers, defrost, mirrors). Some 2021-2022 Bronco vehicles equipped with base exterior mirrors (does not have integrated puddle lamps and/or turn signal lamps) may have a whistle noise that originates from the left exterior mirror. This may be due to the design of the exterior mirror cover. To correct this condition, follow the Service Procedure to replace both the left and right exterior mirror covers.
• 10216464Jul 22, 2022Body and structure. Some 2021-2022 Bronco vehicles equipped with a factory soft top roof may experience excessive wind noise while driving, loose soft top cover, and/or difficulty latching. This may be due incorrect soft top assembly installation, latch striker positioning and/or a failed soft top component. To correct the conditions, follow the Service Procedure to inspect the vehicle and adjust the soft top components as necessary.
• 10216460Jul 21, 2022Body and structure. Some 2021-2022 Bronco vehicles equipped with a hard top roof may exhibit symptoms from the front roof panels that sit at an uneven height which may result in a poor appearance, excessive wind noise, water leaks and/or difficulty latching. This may be due to incorrect vertical adjustment of the front roof panel latch strikers. To correct this condition, follow the Service Procedure to adjust the front panel latch…
• 10216539Jul 20, 2022Brakes. Some 2021-2022 Bronco vehicles equipped with an EBB may exhibit multiple error messages displayed in the IPC followed by automatic engagement of the parking brake immediately after starting the vehicle with the doors removed or after sitting in the vehicle for an extended period of time with the vehicle off. The issue will resolve itself once the brake pedal is no longer depressed or the parking brake is manually…
• 10214880Jun 29, 2022Back-over prevention (rear camera), Brakes. Some 2021-2022 Bronco vehicles built on or before 14-Mar-2022 and equipped with a 2.7L engine may exhibit the inability to disable the traction control system using the traction control on/off switch located on the instrument panel. This may be due to the software within the anti-lock brake system (ABS) module. To correct the condition, follow the Service Procedure and update the ABS software.
• 10214865Jun 21, 2022Back-over prevention (rear camera). Certain 2021 Model Year Mach-E, F-150, Bronco, Edge, Nautilus vehicles Electronic Control Module Recovery: In some of the affected vehicles, an internal error in the Accessory Protocol Interface Module (APIM) or Telematics Control Unit (TCU) module software will prevent the receipt of software updates or enhancements for these modules Ford Power-Up or Lincoln Way. The module will operate as intended otherwise.
• 10214828Jun 21, 2022Electrical system. Some 2021-2022 Bronco vehicles may exhibit a Cross Traffic System/Blind Spot System Fault in instrument panel cluster (IPC). If these symptoms are encountered, inspect the wiring under the rear bumper for chaffing of the 13A409 harness close to connector C4369. If this is determined to be the cause of the issue, refer to Wiring Diagram Cell 005 for wiring repair. If no wiring issues are found, continue with normal…
• 10214159Jun 8, 2022Exterior lighting. Some 2021-2022 Bronco vehicles may exhibit a condition of intermittent headlamp operation while the vehicle is OFF and have diagnostic trouble code (DTC) B1533 stored in the body control module (BCM). This may be due to the internal logic within the headlamp switch. Switch and/or module replacement will not resolve this condition. Headlamp operation is not affected while the vehicle is ON. A new headlamp switch is…
• 10213708Jun 6, 2022Equipment, Electrical system. 2021-2022 various Ford and Lincoln vehicles may exhibit an erroneous diagnostic trouble code (DTC) U1A01:93 stored in the telematics control unit (TCU). This may be due to various software parameters within the TCU. If this DTC is identified during normal diagnostics, but the vehicle does not exhibit any customer concerns around the TCU operation, clear this DTC and no further repairs are recommended.
• 10214121Jun 1, 2022Visibility (wipers, defrost, mirrors). Some 2021-2022 Bronco vehicles equipped with base exterior mirrors (does not have integrated puddle lamps and/or turn signal lamps) may have a whistle noise that originates from the left exterior mirror. This may be due to the design of the exterior mirror cover. To correct this condition, follow the Service Procedure to replace both the left and right exterior mirror covers.
• 10212964May 31, 2022Equipment. Software Update 2 (SU2) Phase 1-3 Respin for 2021 Model Year Bronco vehicles is now available. Involves: Fix for availability of subscription services.
• 10212924May 30, 2022Equipment. Some 2021-2022 Bronco vehicles built on or before 17-May-2022 equipped with 5 doors and a hard top roof configuration, may exhibit poor Sirius XM® satellite radio reception and/or satellite radio signal loss in areas with tall structures, rural areas with dense foliage or other similar obstructions. This may be due to the antenna positioning. To correct the condition, follow the Service Procedure to relocate the…
• 10212928May 27, 2022Brakes. Customers who neutral (4-wheel flat) tow 2021-2022 Broncos equipped with an electronic brake booster (EBB) 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 Bronco's EBB system entering sleep mode (via the ABS module) after a pre-determined period of time following vehicle shut-down. This…
• 10212957May 24, 2022Electrical system. Some 2013-2023 Ford or Lincoln vehicles with modems activated through FordPass or LincolnWay may experience 12 volt battery drain symptoms when the customer uses non-Ford/Lincoln phone applications as an alternate channel to access vehicle commands such as door lock/unlock, remote start, vehicle location, etc. The battery drain may be caused by excessive calls for data through the vehicle network keeping it in an…
• 10211911May 13, 2022Air bags, Electrical system. Some 2020-2022 Explorer/Aviator and 2021-2022 Bronco vehicles may exhibit an illuminated airbag warning indicator with diagnostic trouble code (DTC) B1404:13 and/or B1407:13. This may be due to contamination and relative movement in the connection between the wiring harness and the side airbag. To correct the condition, follow the Service Procedure to replace the affected connector with a service pigtail and the…
• 10211903May 11, 2022Body and structure. The 2021-2022 Bronco Workshop Manual, Section 501-18B Hard Top, has been updated. Updates include hard top rear cap flushness and parallelism specifications and an enhanced diagnostics and testing section to assist with resolving concerns of hard top roof alignment, looseness, water leaks, and noise vibration and harshness (NVH). Submit photos of hard top roof concerns that require part replacement for any reason…
• 10211712May 3, 2022Body and structure. Some 2021-2022 Bronco vehicles equipped with a soft top roof may experience paint scratches on the sports tube paint due to contact with the soft top roof frame during the open and close operation. This may be due to a lack of protective measures installed on the soft top roof frame. To correct this condition, follow the Service Procedure to install protective plates and hook and loop fasteners to sections of the…
• 10210850Apr 28, 2022Tires. Some 2021 and 2022 Ford and Lincoln vehicles may experience a tire sidewall wavy/indentation appearance in the radial direction on one or both sidewalls. Sidewall wavy/indentation appearance is a common cosmetic characteristic of radial tire construction and will not affect the performance of the tire.
• 10210898Apr 27, 2022Electrical system. Certain 2021 Model Year Mach-E, F-150, Bronco, Edge, Nautilus vehicles - Electronic Control Module Recovery: In some of the affected vehicles, an internal error in the Accessory Protocol Interface Module (APIM) or Telematics Control Unit (TCM) module software will prevent the receipt of software updates or enhancements for these modules from Ford Power-Up or Lincoln Way. The module will operate as intended otherwise.
• 10210732Apr 26, 2022Transmission and drivetrain. Some 2021-2022 Bronco vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator and diagnostic trouble codes (DTCs) C05F9 and/or C05D9 stored in the all-wheel drive (AWD) module and inoperative AWD system. These DTCs maybe setting due to a low battery state of charge. To correct the condition, follow the Service Procedure to verify the battery condition and restore the AWD module logic.

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