2021 Hyundai Tucson problems and recalls

49% of owner complaints on the 2021 Hyundai Tucson related to the Engine (39 of 80).

80
Complaints
1
Recalls
2
Crash reports
3
Fire reports
7
Injuries
79.4
Severity index

Severity index 79.4 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 79.4p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 16 of 94 by severity index among 2021 vehicles with at least 40 complaints, highest first. 83% of those vehicles scored lower. Full 2021 ranking.

Components cited in complaints

EngineEngine: 39 complaints (48.8%)39 49%Electrical SystemElectrical System: 12 complaints (15.0%)12 15%Service BrakesService Brakes: 12 complaints (15.0%)12 15%Unknown Or OtherUnknown Or Other: 10 complaints (12.5%)10 12%Power TrainPower Train: 8 complaints (10.0%)8 10%Fuel/Propulsion SystemFuel/Propulsion System: 8 complaints (10.0%)8 10%Forward Collision Avoid…Forward Collision Avoidance: 6 complaints (7.5%)6 8%Vehicle Speed ControlVehicle Speed Control: 3 complaints (3.8%)3 4%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
ENGINE3948.8%
ELECTRICAL SYSTEM1215.0%
SERVICE BRAKES1215.0%
UNKNOWN OR OTHER1012.5%
POWER TRAIN810.0%
FUEL/PROPULSION SYSTEM810.0%
FORWARD COLLISION AVOIDANCE67.5%
VEHICLE SPEED CONTROL33.8%

Complaints filed per year

014282021: 162022: 32023: 82024: 82025: 172026: 28 (partial year)21222324252628
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
202116
20223
20238
20248
202517
2026 (year to date)28
Filings in 2023 to 2025 ran 1.7x those in 2021 to 2022 (33 against 19).

Recall campaigns

CampaignReportedComponentSummary
20V54300004/09/2020SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULEHyundai Motor America (Hyundai) recalled certain 2019-2021 Tucson vehicles on September 4, 2020. On December 30, 2020, Hyundai expanded the recall population, and added certain 2016-2018 Tucson vehicles. The Anti-lock Brake Hydraulic Electronic Control Unit (HECU) could corrode

Other Hyundai Tucson model years

Severity index for every other model year on file. Compare all 15 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-10-23. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.