2021 Ford F-150: 10 speed automatic issues
Common wear/failure (not a recall)
Symptoms
Owners of the 2021 F-150 report: 10 speed automatic issues. CarComplaints.com lists 3 owner complaints, average mileage 14,900 miles.
NHTSA has 443 owner complaints for the 2021 F-150 in this area. Examples:
- NHTSA complaint ODI #11769960 (filed 10/08/2026): “I have experienced ongoing issues with transmission. two separate dealerships have done partial "rebuild" to no avail. the vehicle has lost power several times which include xxx at approximately 3:30 pm. while pulling onto a busy highway in heavy traffic. as s…”
- NHTSA complaint ODI #11768648 (filed 10/03/2026): “Vehicle: 2021 ford f-150 tremor mileage: approximately 103,000 miles my 2021 ford f-150 tremor developed a severe shudder and vibration during acceleration. the condition progressively worsened and became significant enough that i had the vehicle professional…”
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: replace transmission assembly (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Diagnosis needs a scan tool; repair or replacement needs a lift, transmission jack and the manufacturer's fluid fill/relearn procedure. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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