NHTSA Complaint #11511312 — 2021 HYUNDAI SONATA

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11511312
Vehicle	2021 HYUNDAI SONATA
Component	ENGINE
Date of Incident	March 7, 2023
Date Filed	March 11, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	DE

Consumer Description

My 2021 Sonata has 32,000 miles & it broke down in the middle of the road. My safety & my daughters safety were at risk. We could have been hit or killed. There were no warning lights. It had to be towed. Repair shop reports the transmission is no good. This vehicle should not have transmission issues. Hyundai will not even cover a rental car. The dealership can’t even work on it for 1-2 weeks. I work & have kids. I need a vehicle. The car breaking down in the middle of the road with no warning is dangerous.

Related Complaints for the 2021 HYUNDAI SONATA

Other ENGINE Complaints

#11719681 — February 22, 2026 — On i believe 1/14/26, my check engine light came on. Scheduled appt.for 1/16/26 for diagnostic. Several things were w...

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#11718194 — February 16, 2026 — Vehicle suddenly lost heat in 30 degree weather. No warnings, check engine light, or temperature gauge indicators cam...

#11709821 — January 9, 2026 — I was driving my 2021 Hyundai Sonata at approximately 3:00 AM when the vehicle suddenly began shaking and vibrating. ...

#11709919 — January 9, 2026 — Engine makes rattling and knocking noises. Transmission hesitates and jerks Suspension front struts and rear shocks ...

Recent Complaints for the 2021 HYUNDAI SONATA

#11719681 — FUEL/PROPULSION SYSTEM — February 22, 2026 — On i believe 1/14/26, my check engine light came on. Scheduled appt.for 1/16/26 for diagnostic. Several things were w...

#11719316 — VISIBILITY/WIPER — February 20, 2026 — The EHRS coolant system failed and had a leak causing the coolant to be excessively burned off as thick white smoke. ...

#11718194 — POWER TRAIN — February 16, 2026 — Vehicle suddenly lost heat in 30 degree weather. No warnings, check engine light, or temperature gauge indicators cam...

#11716730 — FUEL SYSTEM, GASOLINE — February 9, 2026 — The contact owns a 2021 Hyundai Sonata. While driving at various speeds, the vehicle unexpectedly shut off without wa...

#11716213 — FUEL SYSTEM, GASOLINE — February 6, 2026 — The contact owns a 2021 Hyundai Sonata. The contact stated that while driving at an undisclosed speed, the accelerato...