2021 Ford F-250 Super Duty: Death wobble-at high speeds vehicle shakes
Common wear/failure (not a recall)
Symptoms
Owners of the 2021 F-250 Super Duty report: death wobble-at high speeds vehicle shakes. CarComplaints.com lists 1 owner complaints, average mileage 30,150 miles.
NHTSA has 15 owner complaints for the 2021 F-250 Super Duty in this area. Examples:
- NHTSA complaint ODI #11683257 (filed 08/26/2025): “The contact owns a 2021 ford f-250. the contact stated that while driving between 40 to 70 mph and driving over speed bumps, uneven pavement, or potholes, the vehicle was pulling hard to the left, making it difficult to control the vehicle. the contact had exp…”
- NHTSA complaint ODI #11653166 (filed 04/07/2025): “Death wobble severe steering problems occur with this vehicle. especially when hitting even a slight bump in the road. when pulling a trailer across a bridge, it became so severe that the truck and trailer changed lanes and i had no control. this problem …”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: same as recall for 2019 f250 (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Electric power steering faults typically need module diagnosis with a scan tool and calibration. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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