2021 Hyundai Santa Fe: Vehicle lurches when accelerating from stop
Common wear/failure (not a recall)
Symptoms
Owners of the 2021 Santa Fe report: vehicle lurches when accelerating from stop. CarComplaints.com lists 2 owner complaints, average mileage 1,100 miles.
NHTSA has 51 owner complaints for the 2021 Santa Fe in this area. Examples:
- NHTSA complaint ODI #11770668 (filed 10/12/2026): “On september 20, 2026, my 2021 hyundai santa fe calligraphy suffered sluggish acceleration while operating on a public roadway due to an internal dual-clutch transmission (dct) failure. the malfunction indicator light illuminated, and a diagnostic scan reveale…”
- NHTSA complaint ODI #11747209 (filed 06/29/2026): “The contact owns a 2021 hyundai santa fe. the contact stated that while driving approximately 5-30 mph, the transmission failed to shift properly, and the vehicle lost motive power. the engine warning light was illuminated. the contact stated that the failure …”
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: none clearly reported. 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)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- CarComplaints.com: Vehicle lurches when accelerating from stop (2021 Santa Fe)
- NHTSA complaints API, 2021 Santa Fe
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