2025 Hyundai IONIQ 5 electrical system problems
216 owner complaints filed with NHTSA name the electrical system on the 2025 Hyundai IONIQ 5 — 77% of all complaints for this model year.
What owners report
“The vehicle was released to me as repaired by an authorized Hyundai dealer earlier the same day. While driving home, the vehicle entered reduced-power/turtle mode and lost propulsion capability. This is the third failure of the electrical/propulsion system in under three months on a vehicle less…”
filed Aug 4, 2026
“While driving at 65–70 mph in rain, the vehicle emitted a repeated audible alarm from beneath the rear seat, then suffered a complete loss of motive power at highway speed. No warning light, message, or indicator appeared on the instrument cluster at any point. The vehicle was taken to an…”
filed Aug 4, 2026
“While operating the vehicle, the instrument cluster displayed a “Check electric vehicle system” warning with a red vehicle-with-exclamation icon. The vehicle failed to charge when plugged in; state of charge was 90%. The vehicle was towed via Bluelink to an authorized Hyundai dealer. No prior issues and no damage…”
filed Aug 4, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- High voltage battery system may contain an improperly tightened bus bar, which can cause…Campaign 26V068000 · Feb 5, 2026
- High voltage battery system may contain an improperly tightened bus bar, which can cause…Campaign 25V482000 · Jul 23, 2025
Related service bulletins
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, 2026Certain IONIQ 5 (NEA EV) vehicles may have 12V battery drainage due to the scheduled climate feature. Technical Service Bulletin (TSB) 26-01-046H provides instructions to perform a software update for the Vehicle…
26-01-046H DCS · Warranty Program/Extension · issued May 16, 2026Certain IONIQ 5 (NEA EV) vehicles may have 12V battery drainage due to the scheduled climate feature. This bulletin provides instructions to perform a software update for the Vehicle Control Unit (VCU) to improve the…
26-01-046H TSB · Warranty Program/Extension · issued May 15, 2026Some IONIQ 5 (NEA EV) vehicles may exhibit a no START/READY condition when pressing the START/STOP Button (SSB). This bulletin provides the procedure to inspect for the START/READY condition, and if needed, replace the…
26-BE-009H · Service Bulletin/Repair Instructions · issued Apr 18, 2026Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in…
26-01-035H TSB · Service Campaign · issued Apr 8, 2026
Electrical System problems in other IONIQ 5 years
| Year | Reports | Share |
|---|---|---|
| 2026 IONIQ 5 | 9 | 47% |
| 2024 IONIQ 5 | 174 | 80% |
| 2023 IONIQ 5 | 269 | 70% |
| 2022 IONIQ 5 | 303 | 76% |
Other reported problem areas on the 2025 Hyundai IONIQ 5
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.