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What 75 owners told NHTSA about the 2021 Hyundai Tucson Fuel Cell

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (75)Crash / fire / injury (8)Engine (36)Brakes (12)Electrical system (11)Fuel system (8)Transmission & drivetrain (7)Driver assistance (6)Airbags (2)Body & structure (2)Engine & cooling (2)Lane Departure (2)

2 of 75 complaints match · Lane Departure · clear filters

Feb 22, 2025Transmission & drivetrainElectrical systemLane Departure

Vehicle has 36,300 miles. Engine stalled twice when shifting into reverse, MID displayed "BCW On, Check System." Continued driving home, vehicle experiences power loss (rpms drop to ~500) and electrical system sputters and sparking noises can be heard in the cabin momentarily when turning left or steering left for curves at speeds over ~20mph. Checked BCW sensor location in rear bumper for obstructions - vehicle is clean.

NHTSA ODI 11644245

Dec 1, 2024Electrical systemLane Departure

The rear view camera is nonexistent at night, and I can't see a thing when parking.

NHTSA ODI 11628166

Working with the data? Download all 75 complaints as CSV · fetched from NHTSA July 25, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2021 Hyundai Tucson Fuel Cell verdict →