🚗 AutoDefect IQ

2021 Ford F-350 Sd problems, complaints & recalls

Most-reported problem areas: Fuel System, Diesel (23) · Fuel/Propulsion System (13) · Power Train (7)

🧭 Reliability snapshot

68 /100
⚠ Buy with caution

Compared against other Ford F-350 Sd model years — complaint volume vs the model's median year, recalls and severity. How we score →

🛣️ Complaints by mileage

<25k miles: 7 complaints <25k 25–50k miles: 8 complaints 8 25–50k 50–75k miles: 1 complaints 50–75k 75–100k miles: 5 complaints 75–100k 100–125k miles: 6 complaints 100–125k 125–150k miles: 5 complaints 125–150k 150k+ miles: 5 complaints 150k+

37 NHTSA complaints that reported an odometer reading.

98
Complaints
15
Recalls
240
Service bulletins
1
Crashes reported
4
Fires reported
0
Deaths

Safety recalls (15)

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.

Back Over Prevention:software 2025-10-10 · campaign 25V686000 · 291,901 vehicles

Defect: Ford Motor Company (Ford) is recalling certain 2020-2022 F-250 SD, F-350 SD, and F-450 SD vehicles. The 360-degree view camera system may not display a rearview image properly in certain lighting conditions.

Risk: A rearview camera image that does not display properly can reduce the driver’s view behind the vehicle, increasing the risk of a crash.

Fix: Dealers will update the image processing module software, free of charge.This will be a phased campaign, with the remedy becoming available in different phases based on model years. Interim letters notifying owners of the safety risk were mailed on October 30, 2025. Additional letters will be mailed once the remedy is available on each phase. Owner notification letters were mailed May 19, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25SA8. Ve

Steering:column 2025-09-19 · campaign 25V626000 · 115,539 vehicles

Defect: Ford Motor Company (Ford) is recalling certain 2020-2021 F-250, F-350, and F-450 vehicles. The steering column upper shaft may detach from the steering column and result in a loss of steering control.

Risk: A loss of steering control increases the risk of a crash.

Fix: Dealers will inspect the steering column, and repair or replace the upper shaft as necessary, free of charge. Owner notification letters were mailed February 20, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S94. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning September 23, 2025.

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.

Structure:frame And Members:underbody Shields 2022-02-16 · campaign 22V087000 · 247,445 vehicles

Defect: Ford Motor Company (Ford) is recalling certain 2017-2022 F-250 and F-350 Super Duty vehicles equipped with gasoline engines and aluminum driveshafts. Underbody heat and noise insulators may loosen and contact the aluminum driveshaft, which could damage the driveshaft and cause it to fracture.

Risk: A fractured driveshaft can cause a loss of drive power, or a loss of vehicle control if the driveshaft contacts the ground. Additionally, unintended movement could occur while parked if the parking brake is not engaged. Any of these scenarios can increase the risk of a crash.

Fix: Dealers will inspect and repair the driveshaft as necessary, and properly attach the underbody insulators, free of charge. Owner notification letters were mailed on April 7, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S09.

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 Assembly 2021-07-15 · campaign 21V536000 · 27,604 vehicles

Defect: Ford Motor Company (Ford) is recalling certain 2020-2021 F-350 Super Duty pickup trucks equipped with 6.7L diesel engines and Dana model 275 rear axles. The rear axle housing may not support the load of the pickup truck and deform, which could result in driveshaft separation.

Risk: Driveshaft separation may result in a loss of drive power, or unintended vehicle movement if the vehicle is in park without the parking brake applied, increasing the risk of a crash.

Fix: Dealers will inspect the axle housing for deformities, and repair or replace the housing, as necessary, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall 21S31.

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.

Trailer Hitches:fifth Wheel Assembly 2021-05-24 · campaign 21V379000 · 1,796 vehicles

Defect: Ford Motor Company (Ford) is recalling certain 2021 Super Duty F-350 and F-450 vehicles equipped with a fifth wheel left-hand mounting bracket that may be cracked.

Risk: A cracked mounting bracket could result in the fifth wheel detaching from the vehicle while towing, increasing the risk of a crash.

Fix: Dealers will inspect the mounting bracket, and replace the bracket if necessary, free of charge. Owner notification letters were mailed on June 16, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S23.

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.

Equipment 2020-12-09 · campaign 20E090000 · 102 vehicles

Defect: Icon Vehicle Dynamics, LLC (Icon) is recalling all 05-UP FSD 2.5 Centerline Stabilizer Kits with part number 65050. The kits were sold as an accessory for certain 2005-2021 Ford F-250 4X4 and F-350 4X4 pickup trucks. The foam ring inside the stabilizer "through shaft" may block the piston ports, possibly causing the steering to lock up.

Risk: If the steering locks, it can increase the risk of a crash.

Fix: Icon will notify owners, and dealers will install a new shock assembly with a revised foam ring and steel support disc, free of charge. The recall began December 21, 2020. Owners may contact Icon customer service at 1-951-689-4266.

Service bulletins (240)

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 2026-06-19 · 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

Lane Departure: Blind Spot Detection 2026-04-02 · SSM 54720 · Service Bulletin/Repair Instructions

various 2020-2026 ford and lincoln vehicles equipped with blind spot information system (blis) may experience an inoperative blind spot monitoring with a "blind spot system fault" message displayed in the instrument panel cluster (ipc). this may also be accompanied by diagnostic trouble codes (dtcs)

Showing the 6 most recent of 240 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-10-07 · Fuel/Propulsion System

“failed component & availability for inspection: the bosch cp4 high-pressure fuel pump (hpfp) failed internally, shedding metallic debris throughout the entire fuel system. this matches the exact defect in nhtsa recall 24v-957 and ford safety recalls 24s78 and 26s17. the failing cp4 pump and eight injectors were replaced on 03/14/2026 (eastpointe in…”

2026-10-02 · Fuel System, Diesel · 89,545 mi

“the contact owns a 2021 ford f-350 sd. the contact stated that while driving 50 mph, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. the engine seized, and the vehicle was pulled over to the shoulder of the roadway. the contact stated that while attempting to start the vehicle, the vehicle failed to start…”

2026-09-03 · Fuel/Propulsion System

“the high pressure fuel pump failed sending metal shavings through out the entire fuel system. i had no heads up and the failure left me stranded on top of a bridge. i called 911 twice and finally the cops showed up and wrecker towed me off the bridge. ford is aware of this known issue with this make and model, and even put a recall partial recall /…”

2026-08-19 · Fuel System, Diesel · 30,000 mi

“the contact owns a 2021 ford f-350 sd. the contact received notification of nhtsa campaign number: 24v957000 (fuel system, diesel). the contact stated that while driving 20 mph, the message "reduced power" was displayed, and the check engine warning light was illuminated. the vehicle stalled and failed to restart. the vehicle was towed to a dealer …”

2026-08-06 · Fuel/Propulsion System

“vehicle went into limp mode and we towed it to the dealership. they ran diagnostics and found that the fuel filter was causing a fault for water in the fuel filter. they replaced the fuel filter and ran diagnostics again and it flagged failure for low pressure fuel pump. they replaced the low pressure fuel pump and reran diagnostics. when they rera…”

2026-07-08 · Electrical System

“i was driving my truck home when it completely shut off, i lost all power to everything, including the power steering brakes. when i got home, i did some research on the internet to see possible causes. apparently there is a service bulletin for the fuse box having water getting into it from the cowl of the hood, which states it can do exactly what…”

2026-06-11 · Fuel System, Diesel · 195,000 mi

“the contact owns a 2021 ford f-350. the contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed, but the vehicle failed to accelerate as intended. the vehicle was driven to the shoulder of the road, where it lost motive power. the message "reduced engine power" was displayed, and the check engine warning light…”

2026-05-01 · Fuel/Propulsion System

“vehicle safety complaint – 2021 ford f-350 i am submitting this complaint regarding a safety-related failure involving my 2021 ford f-350. while driving under normal conditions, the vehicle suddenly entered “limp mode,” resulting in a significant and immediate loss of power. approximately 20 miles later, the vehicle completely shut down, leaving me…”

2026-04-08 · Fuel/Propulsion System

“repair remedy has not been addressed. leaving the vehicle owners footing the bill when a fuel system problem arises. it's been since 2024 and fmc has not done anything about it. dec 20,2024 manufacturer recall number24s78 nhtsa recall number24v957 recall statusrecall incomplete, remedy not yet available summary your vehicles high-pressure fuel pum…”

2026-04-07 · Back Over Prevention · 110,000 mi

“the contact owns a 2021 ford f-350. the contact stated that the back over prevention camera had been inoperable since purchasing the vehicle. the contact had received notification of nhtsa campaign number: 25v048000 (back over prevention); however, the vin tool showed no open recall. the local dealer was contacted. the contact stated that the manuf…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Ford F-350 Sd years