2018 HYUNDAI TUCSON — Complaint #2166270
Open-data reference.
NHTSA Complaint about VEHICLE SPEED CONTROL filed January 14, 2026
NHTSA complaint #2166270 (ODI reference 11710941) concerns a 2018 HYUNDAI TUCSON and was filed on January 14, 2026. The owner reports the failure occurred on November 12, 2025. The report was geocoded to Minnesota based on the filer's self-reported location. The affected component is categorized as vehicle speed control, one of NHTSA's standardized taxonomy codes used to group defect patterns across make, model, and year.
The filer flagged the following severity indicators: crash: no, fire: no, injuries: 0, fatalities: 0. No crash, fire, or fatality was associated with this report, which places it in the early-warning stream rather than the priority-review stream. Because a VIN was supplied, this complaint is tied to a specific vehicle and not just a model-year cohort.
Individual complaints are consumer-submitted and unverified by NHTSA engineers — the agency's role at this stage is to collect, index, and make them searchable. What matters for federal action is the pattern: when many owners of the same HYUNDAI TUCSON cohort independently describe similar vehicle speed control failures, defect investigators have grounds to open a PE and request manufacturer data. Related filings for the same vehicle and component appear below, and the detail page for the full 2018 HYUNDAI TUCSON shows the complete component-level complaint distribution alongside any active investigations or recalls.
Complaint Description
The engine and engine management system of my 2018 Hyundai Tucson experienced repeated failures resulting in loss of propulsion and unsafe drivability. In November 2025, while traveling approximately 75 mph on a freeway, the vehicle suddenly entered limp mode without any prior warning, causing an abrupt loss of power in active highway traffic. No warning lamps or messages appeared before the failure. After the loss of propulsion occurred, the check engine light, battery light, and oil light illuminated sequentially. Diagnostic trouble codes P1326 and P0326 were recorded. Initial inspection indicated severe oil consumption despite a recent oil change less than 2,000 miles earlier. A Hyundai dealership replaced knock sensors under warranty. Shortly after release (30 miles), the vehicle again exhibited severe drivability issues, including a flashing check engine light, and required immediate towing. A second Hyundai dealership replaced the short engine block under warranty. Approximatel
Complaint Details
| NHTSA Complaint ID | 2166270 |
| ODI Number | 11710941 |
| Date Filed | January 14, 2026 |
| Failure Date | November 12, 2025 |
| VIN | KM8J3CA45JU |
Similar VEHICLE SPEED CONTROL Complaints for 2018 HYUNDAI TUCSON
Hyundai Tucson has been jerking and shaking for over over 4 years now and either when taking to the dealership they reset the dual clutch and have replaced the same part twice in the dual clutch. This
Van Hyundai Dealership in Carrollton, TX has confirmed excessive oil consumption causing catalytic converter failure that results in the engine stalling and unable to accelerate. Weâve already repla
car would not speed up no matter how hard i pressed accelerator, vehicle wouldn't speed up kept going at slower speed had to have towed to dealership. Don't know what is wrong. I was scared someone wo
It started [XXX] when i took my car to the dealership due to it going into limp mode. The dealership took it in and said it was throwing error code p1326 which is the knock sensor code. they replaced
The car will jerk while driving. The problem was fixed last year and again it is happening now.Worse..the car while being driven will suddenly slow down inspite stepping more on the gas pedal.
Source: NHTSA Vehicle Complaints Database. Component taxonomy and severity codes are standardized by NHTSA Office of Defects Investigation.
Read our methodology — how this data is sourced, computed, and verified.