2021 Hyundai Tucson Engine cooling Problems
- Complaints
- 3about this part
- Share
- 4%of 80 total for the year
- Median mileage
- 58,972miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2021 Hyundai Tucson, 4% of the 80 complaints for this model year. Where a mileage was given, the median is 58,972 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owned a 2021 Hyundai Tucson. The contact stated that immediately after purchasing the certified vehicle, the vehicle went into LIMP Mode while her grandson was driving approximately 65 MPH, and the vehicle decelerated to 7 MPH. The vehicle was towed to the local dealer who diagnosed that the NOX sensor had failed and needed to be replaced. The vehicle was repaired but while leaving the dealer, the failure reoccurred. The vehicle was towed back to the dealer who replaced a second NOX sensor and the catalytic converter. …”
NHTSA complaint #11712627, filed 2026-01, 28,944 miles“The contact owns a 2021 Hyundai Tucson. The contact stated that while driving at various speeds, the check engine warning light was frequently illuminated on the instrument panel. The contact had taken the vehicle to various independent mechanics and was informed that the engine was consuming an excessive amount of engine oil. The contact had taken the vehicle to a dealer for service, and upon inspection, the contact was informed that the engine needed to be replaced. The contact was provided with an estimate for the engine replacement. …”
NHTSA complaint #11726305, filed 2026-03, 89,000 milesRelated service bulletins
- 10252363Mar 8, 2024Certain 2016-2021MY Tucson (TL) 2.0L vehicles may experience continued DTC P1326 after the ECU update has been performed per TSB 22-01-028H-1 (or later) âENGINE MONITORING…
- 10247189Oct 13, 2023This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
- 10240082Jul 11, 2023A class action lawsuit against Hyundai Motor America (âHMAâ) alleges that certain Hyundai vehicles (âClass Vehiclesâ) were manufactured, marketed, sold, and/or leased…
- 10238377Jun 9, 2023This bulletin provides the diagnostic procedure for the GDI injector(s) in certain 21-23MY Sonata, 21-22MY Santa Fe, certain 22MY Santa Cruz, and certain 21-23MY Tucson equipped…
- 10233552Mar 23, 2023This bulletin provides the diagnostic procedure for the GDI injector(s) in certain 21-23MY Sonata, 21-22MY Santa Fe, certain 22MY Santa Cruz, and certain MY21-23 Tucson equipped…
- 10227320Nov 3, 2022Certain vehicles may experience the Check Engine warning lamp illuminated with DTC P1326 and/or engine may exhibit abnormal noise, or no crank/no start condition related to…
- 10227317Nov 3, 2022Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecting rod bearing wear or…
- 10217251Jul 28, 2022Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or…
- 10211675Apr 28, 2022The Powertrain warranty coverage for certain engine repairs and/or replacement where the engine damage or malfunction is related to connecting rod bearing wear, has been extended…
- 10211667Apr 28, 2022Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 0% |
| 2021 | 3 | 4% |
| 2020 | 1 | 1% |
| 2019 | 4 | 1% |
| 2018 | 8 | 2% |
| 2017 | 17 | 2% |
| 2016 | 10 | 1% |
| 2015 | 2 | 1% |
| 2014 | 3 | 1% |
| 2013 | 3 | 1% |
| 2012 | 10 | 4% |
| 2011 | 5 | 4% |
| 2008 | 4 | 9% |
| 2007 | 4 | 6% |
| 2006 | 9 | 7% |
| 2005 | 20 | 11% |
Other parts of the 2021 Hyundai Tucson
39 complaintsBrakes
12 complaintsElectrical system
12 complaintsOther or unknown
10 complaintsFuel system
8 complaintsTransmission and drivetrain
8 complaintsForward collision avoidance
6 complaintsVehicle speed control
3 complaintsAir bags
2 complaintsLane departure
2 complaintsSeat belts
2 complaintsSteering
2 complaints
← All problems reported for the 2021 Hyundai Tucson
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology