2021 Ford F-600 SD problems, complaints & recalls
Updated from NHTSA data · How we count
Owners have filed 2 complaints with NHTSA about the 2021 Ford F-600 SD, most often about fuel, hybrid & EV propulsion. There are 5 recalls for this model year.
- Complaints
- 2
- Recalls
- 5
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Median mileage
- — at time of problem
Safety warning: at least one recall for this vehicle tells owners not to drive it until it is repaired. Check your VIN at nhtsa.gov/recalls.
Key facts
- Fuel, Hybrid & EV Propulsion is the most-reported problem area, named in 2 of 2 complaints (100%).
- The 2021 Ford F-600 SD has 5 recalls on file, including at least one “do not drive” warning.
- It ranks 2nd of 6 Ford F-600 SD model years by our severity-weighted complaint score (1st = worst).
2021 Ford F-600 SD problems by category
- Fuel, Hybrid & EV Propulsion2 complaints
A complaint can mention more than one problem area, so categories add up to more than the total.
Most-reported components
| Component (as filed with NHTSA) | Complaints |
|---|---|
| Fuel/propulsion system | 1 |
| Fuel system, diesel | 1 |
2021 Ford F-600 SD recalls (5)
- FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP
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.
Remedy: 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.
- BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
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.
Remedy: 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
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.
Remedy: 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.
- FUEL SYSTEM, DIESEL
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.
Remedy: 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
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.
Remedy: 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.
Recent 2021 Ford F-600 SD complaints
Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.
- Filed Feb 6, 2026CAFuel, Hybrid & EV Propulsion
The contact owns a 2021 Ford F-600 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 the contact was advised that the repairs could cause more failures and that the recall repair could not be performed. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was…
NHTSA complaint #11716228 · source - Filed Jan 7, 2026ILFuel, Hybrid & EV Propulsion
I am filing a complaint against Ford Motor Company regarding a known defect in my 2021 Ford F-600 truck that resulted in a catastrophic fuel system failure. The truck has only 110,000 miles and has been maintained appropriately. It is registered in the State of Illinois and is used for my woman-owned small business. A few weeks ago, the vehicle began running roughly. When the dealer inspected it, they reported that the entire fuel system was contaminated with metal and…
NHTSA complaint #11709382 · source
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Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 11, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology