2021 Ford F-550 Sd problems, complaints & recalls
Most-reported problem areas: Fuel System, Diesel (8) · Steering (1) · Power Train:driveline:differential Unit (1)
🧭 Reliability snapshot
Compared against other Ford F-550 Sd model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (9)
Fuel System, Diesel:delivery:fuel Pump 2026-03-17 · campaign 26V158000 · 9,839 vehicles
Defect: Ford Motor Company (Ford) is recalling certain 2020-2022 F-Super Duty F250, F350, F450, F550, 2021-2022 F600, and 2022 F750 vehicles previously repaired incorrectly under recall number 24V957. Biodiesel deposits may form on the pump drivetrain roller components, which could lead to failure of the high pressure fuel pump.
Risk: High pressure fuel pump failure can cause a loss of drive power, increasing the risk of a crash.
Fix: Dealers will update the powertrain control module (PCM) software, free of charge. Owner notification letters were mailed mailed April 7, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S17. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 18, 2026.
Fuel System, Gasoline:delivery:fuel Pump 2025-07-07 · campaign 25V455000 · 850,318 vehicles
Defect: Ford Motor Company (Ford) is recalling certain 2021-2023 Bronco, Explorer, Lincoln Aviator, F-250 SD, F-350 SD, F-450 SD, F-550 SD, 2021-2022 Lincoln Navigator, Mustang, F-150, and 2022 Expedition vehicles. The low-pressure fuel pump may fail, which can result in an engine stall while driving.
Risk: An engine stall increases the risk of a crash.
Fix: Dealers will replace the low pressure fuel pump on super duty vehicles and update the powertrain control module (PCM) software on all other affected vehicles, free of charge. Owner notification letters were mailed July 27, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S75.
Back Over Prevention: Sensing System: Camera 2025-01-31 · campaign 25V048000 · 91,580 vehicles
Defect: Ford Motor Company (Ford) is recalling certain 2021 Expedition, 2021-2022 Super Duty F-250, F-350, F-450, F-550, F-600, and 2020-2022 Lincoln Corsair vehicles. The rearview camera may display a blank or distorted image.
Risk: Rearview camera failure can reduce the driver's view of what is behind the vehicle, increasing the risk of a crash.
Fix: Dealers will replace the rearview camera as necessary, free of charge. Owner notification letters were mailed September 18, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S05.
Fuel System, Diesel:delivery:fuel Pump 2024-12-20 · campaign 24V957000 · 295,449 vehicles
Defect: Ford Motor Company (Ford) is recalling certain 2020-2022 F-Super Duty F250, F350, F450, F550, F600, and 2021-2022 F-650, F750 vehicles. Biodiesel deposits may form on the pump drivetrain roller components, which could lead to failure of the high pressure fuel pump.
Risk: High pressure fuel pump failure can cause a loss of drive power, increasing the risk of a crash.
Fix: Dealers will update the powertrain control module (PCM) and Transmission Control Module (TCM) software, free of charge. Owner notification letters were mailed January 23, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S78.
Equipment:other:owners/Service/Other Manual 2023-06-09 · campaign 23V420000 · 691,133 vehicles
Defect: Ford Motor Company (Ford) is recalling certain 2018-2023 Expedition and Lincoln Navigator vehicles equipped with third-row seating; and 2019-2023 F-Super Duty F-250, F-350, F-450, and F-550 SuperCab vehicles. The owner's manual does not include instructions for adjusting or removing certain head restraints. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 202, "Head Restraints."
Risk: Without instructions, the head restraints may be improperly adjusted, increasing the risk of injury in the event of a crash.
Fix: Ford will mail the Owner's Manual addendums that describe how to adjust and remove the head restraints for the center seating positions, free of charge. Owner notification letters were mailed July 21, 2023. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 23C20.
Visibility:windshield Wiper/Washer:linkages 2022-04-14 · campaign 22V250000 · 652,996 vehicles
Defect: Ford Motor Company (Ford) is recalling certain 2020-2021 F-150, Expedition, 2020-2022 Super Duty F-250, F-350, F-450, F-550, and 2020-2021 Lincoln Navigator vehicles. The windshield wiper arms may break, causing the windshield wipers to fail.
Risk: Inoperative windshield wipers can reduce visibility in certain driving conditions, increasing the risk of a crash.
Fix: Dealers will replace both front windshield wiper arms, free of charge. Interim owner notification letters, informing owners of the safety risk, were mailed on May 24, 2022. Remedy parts are expected to be available 3rd Quarter 2022. Owner notification letters were mailed on October 21, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S26.
Fuel System, Diesel 2022-01-14 · campaign 22V013000 · 19,697 vehicles
Defect: Ford Motor Company (Ford) is recalling certain 2021 Super Duty F-250, F-350, F-450, F-550, F-600, and Medium Duty F-650 and F-750 vehicles equipped with 6.7L diesel engines. A small void may be present in the top-center of the vehicle's underhood secondary fuel filter cap, which may progress to a pinhole over time, allowing fuel to leak from the top of the secondary fuel filter.
Risk: A fuel leak in the presence of an ignition source can increase the risk of a fire or injury.
Fix: Dealers will replace the primary and secondary fuel filters, free of charge. Owner notification letters were mailed January 28, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S01.
Power Train:axle Hubs 2021-05-25 · campaign 21V390000 · 17,616 vehicles ⚠ DO NOT DRIVE
Defect: Ford Motor Company (Ford) is recalling certain 2021 F-350, F-450, F-550, and F-600 vehicles equipped with dual rear wheels and front wheel hub extenders. The front wheel hub extenders may be improperly attached to the front rotor hub assemblies, which could result in separation of the wheels and wheel extenders from the vehicle.
Risk: A detached wheel and wheel extender can increase the risk of a crash.
Fix: Owners are instructed not to drive their vehicles until the torque of the wheel extender nuts can be verified. Dealers will inspect and tighten the front wheel hub extender nuts, free of charge. Owner notification letters were mailed on June 18, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S26.
Visibility:windshield:critical Fasteners 2021-02-18 · campaign 21V090000 · 79,017 vehicles
Defect: Ford Motor Company (Ford) is recalling certain 2021 F-150 and 2020-2021 F-250, F-350, F-450, and F-550 Super Duty vehicles. During manufacturing, the windshield may not have been properly bonded to the vehicle, allowing it to detach in a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 212, "Windshield Mounting."
Risk: In the event of a crash, if the windshield separates from the vehicle, it can increase the risk of injury.
Fix: Ford will notify owners, and dealers will remove and reinstall the windshield, free of charge. The recall began April 16, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21C06.
Service bulletins (237)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-10-06 · SSM 55218 · Service Bulletin/Repair Instructions
for 2020 2026 vehicles equipped with the 10r140 transmission, a new transmission clutch circuit leak test has been introduced in the ford diagnosis and repair system (fdrs). this test utilizes the pressure and vacuum transducer (pvt) when available. workshop manual (wsm) updates related to this di
Unknown Or Other 2026-10-01 · TSB 26-2088 v2 · Service Bulletin/Repair Instructions
this bulletin supersedes 24-2249. reason for update: update the claim quantity of the torque converter nuts, part number and claim quantity of the front support assembly bolt washers, and part number change of the fluid pan from the parts list. reissued 01-oct-2026 - added lc3z-7g091-b to the part l
Unknown Or Other 2026-07-28 · 25M01 · Other
customer satisfaction program 25m01 certain 2021 model year f-150 3.0l diesel engine and 2020-2022 model year super duty with 6.7l diesel engine nitrogen oxide (nox) sensor replacement, if required after dealer evaluation reference: emissions recalls 22e02, 22e04, 23e01, and 25e09
Unknown Or Other 2026-06-23 · 25N10S1 · Other
certain 2017-2025 f-450 – f-600 chassis cab upfitted with an aerial bucket frame rail crack
Unknown Or Other 2026-06-19 · TSB 26-2256 · Service Bulletin/Repair Instructions
this article supersedes tsb 25-2572 to update the parts list to correct the part number lc3z-6006-l to lc3z-6781-a, remove the flex plate bolts al3z-6379-ba from the parts list as these bolts are in kit lc3z-6781-a, update the claim quantity of the part number w709771-s440 to 9 pieces (f-650/f750-en
Power Train 2026-05-06 · TSB 26-2216 · Service Bulletin/Repair Instructions
this bulletin supersedes 25-2549. reason for update: to add 2020 model year chassis cab vehicles. some of the vehicles listed in the model statement above may exhibit an incorrectly illuminated malfunction indicator lamp (mil) with diagnostic trouble codes (dtc) p0420 and/or p0430 stored in the powe
Showing the 6 most recent of 237 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-27 · Engine“engine lost power on highway engine light came on towed to dealership and they told us the engine was bad, camshaft is gone and cylinder bad. truck has 86,000 miles on engine; we do not allow it to be idle, and all maintenance and oil changes were performed. note: ford rep did give us 50% of replacement, not sure how they come out with a engine t…”
2026-08-17 · Fuel System, Diesel“parts not available complaint: the contact owns a 2021 ford f-550. the contact received notification of nhtsa campaign number: 24v957000 (fuel system, diesel) however upon having the vehicle diagnosed by a local dealer where the following code was displayed "p2291" the contact was advised that because of the code displayed that the remedy would not…”
2026-04-14 · Fuel System, Diesel“the contact owns a 2021 ford f-550 sd. the contact received notification of nhtsa campaign number: 24v957000 (fuel system, diesel). the local dealer was contacted several times for more than a year, and the contact was advised that the part was not yet available and that the manufacturer had paused the recall campaign. the contact called the manufa…”
2026-02-23 · Fuel System, Diesel“the contact owns a 2021 ford f-550. the contact received notification of nhtsa campaign number: 24v957000 (fuel system, diesel); however, the part to do the recall repair was not yet available. the local dealer was contacted. the contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. the manufacturer wa…”
2025-12-30 · Fuel System, Diesel“the contact owns a 2021 ford f-550 sd. the contact received notification of nhtsa campaign number: 24v957000 (fuel system, diesel); however, the part to do the recall repair was not yet available. the local dealer was contacted and confirmed that the remedy was not available. the contact stated that the manufacturer had exceeded a reasonable amount…”
2025-10-28 · Fuel System, Diesel“the contact owns a 2021 ford f-550 sd. the contact received notification of nhtsa campaign number: 24v957000 (fuel system, diesel); however, the part to do the recall repair was not yet available. the contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. the manufacturer was made aware of the issue. th…”
2025-10-17 · Fuel System, Diesel“the contact owns a 2021 ford f-550 sd. the contact received a recall letter from the manufacturer for nhtsa campaign number: 24v957000 (fuel system, diesel). the contact called a local dealer several times to schedule an appointment for the recall repair but was informed that the manufacturer would mail another letter whenever parts were available …”
2025-06-17 · Fuel System, Other:fuel Filter · 🔥 fire“operator was driving a 2021 ford f550 equipped with an altec at48m aerial upfit. as he was driving the operator noted that the check engine light came on and almost immediately followed by the message center displayed "low fuel pressure" warning. as he was preparing to stop, he could see smoke coming out from under the hood of the truck. as he e…”
2025-05-14 · Fuel System, Diesel“the contact owns a 2021 ford f-550 sd. the contact received notification of nhtsa campaign number: 24v957000 (fuel system, diesel); however, the part to do the recall repair was not yet available. the local dealer was not contacted. the contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. the manufact…”
2025-05-08 · Fuel System, Diesel · 195,000 mi“the contact owns a 2021 ford f-550 sd. the contact stated that while an employee was driving 65 mph and towing a vehicle, the vehicle inadvertently lost motive power. the driver was unable to pull over to the shoulder of the roadway due to a loss of electronic power steering; however, the vehicle was able to restart. after restarting the vehicle, t…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.