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2022 HYUNDAI IONIQ HYBRID — Complaint #2121911

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NHTSA Complaint about PARKING BRAKE:ELECTRICAL filed August 19, 2025

NHTSA complaint #2121911 (ODI reference 11681582) concerns a 2022 HYUNDAI IONIQ HYBRID and was filed on August 19, 2025. The owner reports the failure occurred on March 19, 2022. The vehicle had 40,000 miles on the odometer at the time of the incident. The report was geocoded to California based on the filer's self-reported location. The affected component is categorized as parking brake:electrical, 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 IONIQ HYBRID cohort independently describe similar parking brake:electrical 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 2022 HYUNDAI IONIQ HYBRID shows the complete component-level complaint distribution alongside any active investigations or recalls.

Vehicle
2022 HYUNDAI IONIQ HYBRID
Component
PARKING BRAKE:ELECTRICAL
State
California
Mileage
40,000 mi

Complaint Description

The contact owns a 2022 Hyundai Ioniq Hybrid. The contact stated that while operating the vehicle with the Smart Cruise Control activated, the EPB (Electronic Parking Brake) warning light activated. Additionally, while stopped, the EPB erroneously deactivated, causing the vehicle to drive forward, and the driver had to manually depress the brake pedal to stop the vehicle. The contact stated that the vehicle almost struck a pedestrian during the failure. The vehicle was taken back to the dealer who was unable to determine the cause of the failure. The contact stated that on another occasion, while driving at an undisclosed speed, the vehicle suddenly lost automotive power and was towed to the local dealer who diagnosed that the transmission was faulty and needed to be replaced. The vehicle was not yet repaired. The failure mileage was 40,000.

Complaint Details

NHTSA Complaint ID 2121911
ODI Number 11681582
Date Filed August 19, 2025
Failure Date March 19, 2022
VIN KMHC85LC7NU

Source: NHTSA Vehicle Complaints Database. Component taxonomy and severity codes are standardized by NHTSA Office of Defects Investigation.