NHTSA Complaint #11673649 — 2021 HYUNDAI TUCSON

ENGINE issue reported to NHTSA

Check any vehicle history by VIN - Free vehicle history report

Complaint Details

ODI Number	11673649
Vehicle	2021 HYUNDAI TUCSON
Component	ENGINE
Date of Incident	November 24, 2024
Date Filed	July 15, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	NC

Consumer Description

There was a recall on this engine which I had updated the knock sensor campaign. While on the highway the engine light started flashing and the speed was reduced to 20 mph on a major highway. I had to almost cause a wreck to get off highway. The vehicle went into limp mode with no prior indication

Related Complaints for the 2021 HYUNDAI TUCSON

Other ENGINE Complaints

#11716729 — February 9, 2026 — The vehicle experienced a catalytic converter efficiency failure that was confirmed by an authorized dealership in Ja...

#11715856 — February 5, 2026 — The contact owned a 2021 Hyundai Tucson. The contact stated that while driving at 10 MPH, an abnormal clicking sound ...

#11712752 — January 22, 2026 — I have been adding oil to this engine excessively for more than 3 years..I have had appointments with the dealer wher...

#11709979 — January 9, 2026 — Oil Consumption problems

#11709985 — January 9, 2026 — I am the original owner of this car and in June 2025 I brought my car to Hyundai from noises and they told me it had ...

Recent Complaints for the 2021 HYUNDAI TUCSON

#11716729 — FUEL/PROPULSION SYSTEM — February 9, 2026 — The vehicle experienced a catalytic converter efficiency failure that was confirmed by an authorized dealership in Ja...

#11716729 — POWER TRAIN — February 9, 2026 — The vehicle experienced a catalytic converter efficiency failure that was confirmed by an authorized dealership in Ja...

#11712627 — ENGINE AND ENGINE COOLING — January 22, 2026 — The contact owned a 2021 Hyundai Tucson. The contact stated that immediately after purchasing the certified vehicle, ...

#11711943 — UNKNOWN OR OTHER — January 19, 2026 — I left my house this am in below zero temperatures. I drove to my daughter's apartment complex 41 miles away. I pulle...

#11699883 — SERVICE BRAKES — November 17, 2025 — The issue started just before my vehicle had 60,000 miles on it and only occurred every once and a while but, now it ...