Antilock/traction control/electronic limited slip: control unit/module
Park outsideRisk. An engine compartment fire can increase the risk of injury or crash.
NHTSA has logged 84 owner complaints about the 2021 Hyundai Tucson, most often about the engine. It is covered by 1 safety recall, and for recall 20V-543 the manufacturer reports only 84% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 9, 2026. Updated daily. Photo: Vauxford, CC BY-SA 4.0.
84 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 42 | 2 |
| Electrical system | 12 | 0 |
| Service brakes | 9 | 0 |
| Power train | 8 | 0 |
| Fuel/propulsion system | 8 | 0 |
| Forward collision avoidance | 6 | 1 |
| Service brakes, hydraulic | 3 | 0 |
| Vehicle speed control | 3 | 0 |
| Engine and engine cooling | 3 | 0 |
| 8 other systems | 13 | 5 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. An engine compartment fire can increase the risk of injury or crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Hyundai.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Tucson median. How we score
2021 Hyundai Tucson SUV FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.



Federal investigations that included the 2021 Hyundai Tucson, and the recalls they led to.
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
URGENT ADD TO OPEN NHTSA COMPLAINT NUMBER: 11776255. On Monday, November 9, 2026, I presented my 2021 Hyundai Tucson to Service Advisor Grant Bode at Napleton Hyundai due to severe engine knocking. I have explicit photographic evidence of the advisor physically inspecting the vehicle's dipstick on…
on at least 4 different occasions this vehicle has at highway speeds been taken over by the engine vibration control which places the vehicle into a low power mode fortunately this did not happen while passing a semi other wise I would and my wife would not be alive.each time the vehicle was taken…
COMPONENT FAILED: Engine / Powertrain assembly suffering from severe, documented manufacturing internal oil consumption. Available for inspection upon request. SAFETY RISK: My safety was severely put at risk by Napleton Hyundai (2600 Michigan Ave). On XXXX, Service Manager Heliose explicitly…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.