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Service bulletins for the 2021 Ford F-350

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.

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

By type

By component

By trouble code

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Bulletins, newest first
21M052022-06-15. Service bulletin. LATCHES/LOCKS/LINKAGES; LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH. In the affected vehicles, some customers report experiencing an unintended tailgate opening and may have previously serviced their vehicle for this concern. Ford has developed an enhanced remedy for customers who may want this enhanced repair performed on their vehicle.
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.
21P19-S12022-06-10. Service bulletin. EQUIPMENT:ELECTRICAL. Certain 2020-2021 Model Year Super Duty Vehicles - Reconfigure the RCM with As-Built Data. In all of the affected vehicles, the event data recorder (EDR) was inadvertently disabled. In the event of a crash or near crash-like situation, the event data recorder within the restraint control module (RCM) will not collect and store data used to help understand how the safety systems performed. There is no impact to normal vehicle operation or the vehicle’s safety systems.
SSM 508162022-06-01. Service bulletin. ENGINE AND ENGINE COOLING. Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with cylinder injection pulse offset diagnostic trouble codes (DTC) P2B11, P2B13, P2B15, P2B17, P2B19, P2B1B, P2B1D, and/or P2B1F stored in the powertrain control module (PCM) after various fuel system repairs. This may be due to incorrect learned values in the PCM. To correct the condition, allow the engine to idle for at least 6 minutes with engine coolant temperature (ECT) at or above 170°F (75°C). For pickup vehicles, exhaust gas temperature (EGT12) must also be at or above 475°F (245°C). For chassis cab vehicles, EGT13 must be at or above 450°F (230°C). Clear DTCs and retest. PCM replacement is not necessary for this condition.
SSM 508042022-06-01. Service bulletin. ELECTRICAL 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 activated state. Recommend that the customer uninstall the app to ensure this is not contributing to battery symptoms experienced. Advise the customer that unaffiliated third-party app developers do not work directly with Ford to adhere to security, vehicle communication, and privacy requirements.
SSM 507862022-05-24. Service bulletin. AIR BAGS. Some 2015-2020 F-150, 2017-2022 Super Duty and 2018-2021 Expedition vehicles may experience a cracked or splitting driver air bag cover. This may be due to the air bag cover tear seam design. An updated driver air bag assembly has been released with a more robust air bag cover design. Refer to Workshop Manual (WSM), Section 501-20B for the replacement procedure. If servicing under warranty, use causal part 15043B13 for F-150 and Expedition or 25043B13 for Super Duty and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 22-21992022-05-24. Service bulletin. POWER TRAIN. Some 2021-2022 F-250 vehicles equipped with a 6R100 transmission, four-wheel drive (4WD), and built on 01-Feb-2021 and through 16-May-2022 may exhibit a metallic grinding noise from the rear of the vehicle under light acceleration between 23-33 mph (37-53 km/h). The noise is most prevalent in 3rd and 4th gear when the vehicle is warm. This may be due to normal driveline noise transmitting through the driveshaft. To correct the condition, follow the Service Procedure to replace the rear axle drive pinion flange, rear pinion seal, and reprogram the powertrain control module (PCM).
TSB 22-21912022-05-24. Service bulletin. ELECTRICAL SYSTEM. Some 2018-2021 F-150 vehicles equipped with a 3.0L diesel engine, 2016-2022 F-650/F-750 vehicles equipped with a 6.7L engine, and 2017-2022 F-Super Duty vehicles equipped with a 6.7L engine and built on or before 08-Mar-2022 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P21DD, P20BA. P20B9, P204C, P208A, P208B, P208C, P203B, P205B, P21CD and/or U02A2 in the powertrain control module (PCM). This may be due to water intrusion within connectors C3613 and/or C4851/C3610 on the reductant harness going to the reductant pump/heater assembly and the reductant level sensor/quality module. This may also be due to movement of the wiring harness causing terminal fretting. To correct the condition, follow the Service Procedure to replace the reductant tank harness, the reductant pump/heater assembly and/or the reductant tank, as well as securing the wiring harness using a cable zip tie fastener.
21M052022-05-20. Service bulletin. UNKNOWN OR OTHER; LATCHES/LOCKS/LINKAGES:TAILGATE:LOCK. Certain 2017-2022 Model Year Super Duty Vehicles Equipped with a Power Release Tailgate - Unintended Tailgate Opening - In the affected vehicles, some customers report experiencing an unintended tailgate opening and may have previously serviced their vehicle for this concern. Ford has developed an enhanced remedy for customers who may want this enhanced repair performed on their vehicle.
SSM 507422022-05-14. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Some 2020-2022 F-Super Duty vehicles may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0073 for the ambient air temperature sensor stored in the powertrain control (PCM). When performing pinpoint test BF in Workshop Manual (WSM), Section 413-01, the ambient air temperature sensor/outside air temperature display reset procedure has been added to the Ford Diagnostic Repair System (FDRS) diagnostic scan tool. Depending on how the vehicle is equipped, run the FCIM or HVAC. Reset the Outside Air Temperature Sensor Learned Values application. Clear DTCs and retest after performing the reset procedure.
SSM 506512022-05-04. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; EQUIPMENT. In various 2017-2022 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. Please 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 507332022-05-03. Service bulletin. TIRES:SIDEWALL. 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.
SSM 507182022-05-03. Service bulletin. SERVICE BRAKES. Some 2017-2022 F-Super Duty vehicles may exhibit a pull / drift condition during braking. This may be due to the brake pads needing to be broken in. The Workshop Manual, Section 206-00 Symptom Chart for vehicle pulls or drifts during braking has been updated to reflect this information.
SSM 506732022-04-13. Service bulletin. ENGINE AND ENGINE COOLING. Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit a cooling fan with excessive noise or stays on continuously. The Workshop Manual (WSM), Section 303-03 Engine Cooling > Diagnosis and Testing > Cooling Fan Control, pinpoint test (PPT) AH for 2021-2022 and Powertrain Control/Emissions Diagnosis (PC/ED) Manual PPT AH for 2020 have been updated to improve diagnostics and reduce unnecessary cooling fan clutch replacements.
SSM 506462022-04-13. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM. Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with cylinder injection pulse offset diagnostic trouble codes (DTC) P2B11, P2B13, P2B15, P2B17, P2B19, P2B1B, P2B1D, and/or P2B1F stored in the powertrain control module (PCM) after various fuel system repairs. This may be due to incorrect learned values in the PCM. To correct the condition, allow the engine to idle for at least 6 minutes with the engine at normal operating temperature. Clear DTCs and retest. PCM replacement is not necessary for this condition.
SSM 506362022-03-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ENGINE AND ENGINE COOLING; EQUIPMENT. 2011-2022 F-Super Duty and 2016-2023 F-650/F-750 vehicles equipped with a 6.7L engine may exhibit an elevated idle condition. During prolonged idle time, vehicles may experience this elevated idle to reduce unburned hydrocarbons from the SCR. The powertrain control module estimates hydrocarbon levels in the SCR and may increase idle speed to remove them. Idle speed will be increased to 1000 RPM for ambient temperatures near 26°C (80°F) and may increase to 1200 RPM at -40 °C (-40°F). Vehicles may exhibit exhaust smoke and diesel exhaust fluid smell during elevated idle condition. Exhaust smoke and smell condition will not affect reliability or durability of the engine. Power take-off (PTO) use and idle set point control will disable elevated speed. It is required that the operator monitor the vehicle and adhere to any Exhaust Filter warning messages.
SSM 506192022-03-22. Service bulletin. FUEL SYSTEM, GASOLINE. Some 2020-2022 F-Super Duty pickup vehicles equipped with a 6.7L engine and built on or before 23-Sep-2021 may exhibit a thump/whine/knock noise from the fuel tank at idle or during key on, engine off (KOEO) after performing TSB 21-2057. The noise may be more pronounced at fuel levels at or below 1/4 tank. This may be due to the fuel pump. To correct the condition, replace the fuel pump and sender assembly with service part HC3Z-9H307-AR for vehicles with 160/164 inch wheelbase and a midship fuel tank, HC3Z-9H307-AQ for vehicles with 142/148 inch wheelbase and a midship fuel tank, and HC3Z-9H307-AS for vehicles with an aft of axle fuel tank. For claiming, use causal part 9H307 and applicable labor operations in Section 08 of the Service Labor Time Standards (SLTS) Manual.
SSM 505902022-03-22. Service bulletin. EQUIPMENT. Some 2018-2022 F-150 and F-Super Duty vehicles equipped with tailgate step assemblies may exhibit a step assembly that binds/will not open or opens/pops up while driving. This could be due to an incorrect adjustment of the step assembly. Before replacing any components for this concern, follow the Tailgate Step Adjustment procedure in Workshop Manual, Section 501-04, General Procedures.
TSB 22-21042022-03-22. Service bulletin. EQUIPMENT:MECHANICAL; SEATS; EQUIPMENT. This article supersedes TSB 21-2236 to update the models and year affected. Some 2013-2018 C-Max, 2013-2020 Fusion/MKZ, 2013-2022 Escape, 2015-2018 Focus, 2015-2019 MKC, 2015-2022 Edge/F150/Mustang, 2016-2018 MKX, 2016-2019 Explorer, 2017-2022 F-Super Duty, 2018-2022 EcoSport/Expedition, 2019-2022 Ranger/Nautilus, 2021-2022 Bronco/Bronco Sport/Mustang Mach-E, 2022 Maverick vehicles may experience seat pan looseness, lateral movement, or a clunk/thump noise on turns. This may be due to the seat pan track. To correct the condition, follow the Service Procedure steps to install a reinforcement.
TSB 22-20872022-03-15. Service bulletin. POWER TRAIN. Some 2020-2022 F-Super Duty vehicles equipped with a 10R140 automatic transmission may exhibit harsh reverse to drive engagements without diagnostic trouble codes (DTCs). This may be due to sticking valves in the main control valve body or suspect input shaft seals (F9) and the output shaft seals (F10). To correct the condition, follow the Service Procedure steps to perform the transmission accelerated main control break-in routine for the E and F clutches and/or replace the input shaft seals (F9) and the output shaft seals (F10).
TSB 22-20892022-03-15. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; UNKNOWN OR OTHER. Some 2015-2022 F-150, 2017-2022 F-Super Duty and 2018-2022 Expedition/Navigator vehicles may exhibit poor air conditioning (A/C) performance, loss of airflow and/or engine cooling fans running continuously from high A/C pressures. This concern may be from the evaporator freezing up due to the evaporator temperature sensor being biased. To correct the condition, follow the Service Procedure steps to replace the evaporator temperature sensor.
SSM 505642022-03-08. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL), lack of power, and/or excessive turbo noise during operation, with diagnostic trouble codes (DTC) P003A, P0045, P0046, P0047, P0048, P0234, P0237, P0238, P132A, P2564, P2565, P2598, P259E, and/or P259F stored in the powertrain control module. If Workshop Manual (WSM) diagnostics lead to turbocharger variable vane actuator replacement, service part LC3Z-9G488-A has been released for service. Replacement of the turbocharger assembly is no longer required.
SSM 505492022-03-08. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2018-2020 F-150, 2017-2022 F-Super Duty and 2016-2022 F-650/F-750 vehicles equipped with a diesel engine may exhibit diagnostic trouble code (DTC) P0000 stored in the powertrain control module (PCM) after an on-demand self test. This DTC is due to a processing error in the PCM as a result of on-demand self testing. P0000 is an invalid DTC that will not illuminate the malfunction indicator lamp (MIL) and no repairs should be performed.
SSM 505192022-02-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Some 2021 F-Super Duty vehicles equipped with a 6.7L engine and built on 07-Jul-2021 and through 11-Jul-2021 may have previously not properly completed powertrain control module (PCM) reprogramming or programmable module installation (PMI) resulting with diagnostic trouble code (DTC) U029E. PCM reprogramming and PMI for these vehicles has been updated in the Ford Diagnosis and Repair System (FDRS) scan tool. Programming no longer attempts to incorrectly program the nitrogen oxides sensor module 12 (NOX12) and should not result in a U029E DTC present. For vehicles that already have a U029E DTC present, NOX12 module replacement is necessary before attempting PCM programming.
SSM 505122022-02-23. Service bulletin. POWER TRAIN. Some 2021 F-Super Duty vehicles equipped with the 10R140 transmission and built on 01-Jun-2021 and through 31-Jul-2021 may exhibit no forward or reverse engagement with 3 or more clutch stuck off diagnostic trouble codes (DTCs) at one time, DTCs - P0751, P0756, P0761, P0766, P0771, P2707, P0741, and/or P0868. This may be due to the fluid pump gasket delaminating. If the current accelerated main control break in procedure SSM does not address the concern, make sure that the fluid pump gasket is inspected when the main control is removed. If the gasket is damaged, then proceed with replacing the gasket and reinstalling the main control. If the gasket is not damaged, then continue with the main control inspection as directed by the appropriate SSM.

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