2021 Hyundai Ioniq Plug-In Hybrid recalls & complaints
Source: NHTSA, updated daily. Last checked 2026-10-20. Recalls apply to specific VINs — run your VIN to confirm.
Recalls: check by VIN
Useful for owners
- OBD2 code reader — see what the car's computer is reporting
- 2021 Hyundai Ioniq Plug-In Hybrid owner's manual
Owner complaints filed with NHTSA
Most complained-about parts: Electrical system (9), Brakes (5), Forward Collision Avoidance (5), Unknown Or Other (4), Vehicle Speed Control (3).
Complaints are unverified reports from owners. A pattern (many complaints about the same part) matters more than any single one.
Read recent complaints (8)
05/26/2026 · Seat belts
Installing a car seat and the belt buckle failed. The plastic part split and no longer holds the belt together. This was under regular pressure with standard leverage that the car seat design calls for. Nothing was ever on top of the buckle and it is not damaged in any other way at all other than the failure. They refused to replace it via warranty.
07/31/2025 · Electrical system
Auto Hold/EPB lights come one while driving. Deactivates cruise control of on. Turns off auto hold. Ongoing issue with many reports but no recall or dealership knowledge. Ongoing issue since purchase.
07/15/2025 · Unknown Or Other
The "Auto Hold" feature on my Hyundai Ioniq malfunctioned, displaying a dashboard warning: "AUTO HOLD conditions not met. Press brake pedal." This message randomly appears while driving or stopping, and it deactivates the Auto Hold and Electronic Parking Brake (EPB) functions. In some cases, the car rolls after stopping because the system fails to hold the…
05/08/2025 · Engine
The contact owns a 2021 Hyundai Ioniq Hybrid. The contact stated that upon depressing the accelerator pedal, there was an abnormal ratting sound coming from the vehicle, and the vehicle failed to accelerate as needed. The contact stated that the check engine and oil warning lights were illuminated on the instrument panel. The vehicle was taken to a dealer w…
10/06/2024 · Brakes
Auto brake fault has been a constant issue with this 2021 Hyundai Ioniq Hybrid. This causes lots of system functions to stop working (adaptive crusice control, lane keeping assistant, etc.) The dealer originally replaced the wiring harness, but it came back again and again with the same issue. They finally figured out that replacing the rear calipers seeme…
05/13/2024 · Unknown Or Other
On a recurring basis, the warning lights come on for”AUTO HOLD” and “EPB” or emergency parking brake. Car continually beeps and gives warning until car is reset. During this time, the cruise control will turn off, causing safety issues during travel. Also, the other safety features seem to stop working during the time this warning is activated. Emergency…
08/30/2023 · Electrical system
The contact owns a 2021 Hyundai Ioniq Hybrid. The contact stated that while driving at various highway speeds, the electronic parking brake and auto hold indicator lights erroneously activated. The cause of the failure was not yet determined. The local dealer was notified of the failure, but no assistance was offered. The manufacturer was not yet contacted.…
08/06/2023 · Electrical system
I’m driving with cruise control on the highway at 65 and all of a sudden it shuts off. The check cruise system light comes on along with a triangle with an exclamation point in the middle of it in the lower left side of dashboard and the letters EPB lights up on the lower right side of dashboard.