2020 Hyundai Elantra: Blown transmission
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 Elantra report: blown transmission. CarComplaints.com lists 2 owner complaints, average mileage 3,300 miles.
NHTSA has 48 owner complaints for the 2020 Elantra in this area. Examples:
- NHTSA complaint ODI #11760645 (filed 08/29/2026): “Transmission tcm/ivt had a service campaign recall #963 for tcm relearn / ivt replacement for premature transmission failure. hyundai usa and dealership big star hyundai of friendswood, tx have made claims of the repair being done. service records indicate the…”
- NHTSA complaint ODI #11758271 (filed 08/20/2026): “My 2020 hyundai elantra sel experienced a total transmission/ivt failure at 81,185 miles. i paid $4,804.14 out of pocket to have the vehicle repaired at a certified hyundai dealership, dick smith hyundai genesis of greenville, now known as hyundai of greenvill…”
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 (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)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .