2025 Hyundai IONIQ 6 problems & reliability
33 owner complaints filed with NHTSA for the 2025 Hyundai IONIQ 6, alongside 3 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 19 | 58% |
| Unknown OR Other | 8 | 24% |
| Power Train | 5 | 15% |
| Fuel/propulsion System | 4 | 12% |
| Visibility/wiper | 3 | 9% |
| Lane Departure | 2 | 6% |
| Forward Collision Avoidance | 1 | 3% |
| Steering | 1 | 3% |
| Tires | 1 | 3% |
| Vehicle Speed Control | 1 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 11 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Complaints by incident year
What owners report
“"While driving a 2025 Hyundai Ioniq 6 at approximately 10,000 miles, the vehicle experienced a sudden, catastrophic Integrated Charging Control Unit (ICCU) failure with no advance warning. The vehicle instantly experienced a total electrical shutdown while the car was on the ramp. The failure completely bypassed and…”
Electrical System · filed Jun 10, 2026
“NHTSA COMPLAINT — SHORT VERSION I am reporting a persistent, unresolved, safety-related steering defect in my 2025 Hyundai Ioniq 6 (leased 10/12/2024). Beginning in September 2025 at approximately 15,412 miles, the vehicle exhibits: (1) uncontrolled steering wheel shifting left and right at highway speeds; (2) hard…”
Lane Departure · filed Jun 10, 2026
“Driving car at low rate of speed when ICCU unit blew. The car threw a check Electrical system and then went into limp not traveling over 35 mph. In a mile car gave another warning to pull over and stop driving. car was towed to Hyundai dealer”
Unknown OR Other · filed May 19, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
19 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2025 Hyundai IONIQ 6. The 10 most recent:
Certain 2022 – 2024 model year IONIQ 5, 2024 model year IONIQ 5 Robotaxi, and 2023 – 2025 model year IONIQ 6 vehicles may require a replacement of the Integrated Charging Control Unit (ICCU) and ICCU Fuse. At Hyundai…
Z14 OL · Warranty Program/Extension · issued Jun 25, 2026
This bulletin provides information related to the navigation and head unit software changes introduced in the 2026 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and…
26-GI-002H TSB · Service Bulletin/Repair Instructions · issued May 27, 2026
Hyundai is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse to 15 years/180,000 miles from the date of original retail delivery or date of first use (whichever occurs first)…
26-EV-004H DCS · Warranty Program/Extension · issued May 14, 2026
Hyundai is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse to 15 years/180,000 miles from the date of original retail delivery or date of first use (whichever occurs first)…
26-EV-004H DN · Warranty Program/Extension · issued May 13, 2026
Hyundai is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse to 15 years/180,000 miles from the date of original retail delivery or date of first use (whichever occurs first)…
26-EV-004H TSB · Warranty Program/Extension · issued May 12, 2026
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co.…
DTN DL · Other · issued Apr 10, 2026
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety…
DTN DCS · Other · issued Apr 10, 2026
Some 2019MY and newer vehicles equipped with a front view camera may illuminate certain warning lights and trigger DTC C272246 fault code for the front camera. In the following cases, the front camera auto-calibration…
26-AD-001H TSB · Service Bulletin/Repair Instructions · issued Feb 25, 2026
Certain 2023 – 2025 model year IONIQ 6 vehicles may experience an inoperable horn that may be caused by water intrusion through the ventilation hole. At Hyundai, we are committed to providing vehicles of outstanding…
Z13 OL · Warranty Program/Extension · issued Feb 6, 2026
Certain IONIQ 6 (CE EV) vehicles may have an inoperable horn that may be caused by water intrusion through the ventilation hole. Hyundai is extending the warranty coverage for the horn replacement to 10 years/120,000…
25-BE-022H DCS · Warranty Program/Extension · issued Dec 13, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2025 Hyundai IONIQ 6 has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2025 Hyundai IONIQ 6?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.