Streamed from the official YouTube channel The Ioniq Guy .
MY IONIQ 5 DIED!
The Ioniq Guy
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The Ioniq Guy details a significant issue with his 2025 Ioniq 5, which required a new high-voltage battery pack after only 8,500 miles. The problem manifested as severe charging degradation, with charging speeds plummeting far below expected levels, even on high-power chargers. This issue prevented the car from DC fast charging altogether, eventually triggering a 'check electrical vehicle system' warning and a 'battery management system' warning. Diagnostic codes pointed to a known technical service bulletin (TSB) related to voltage differences between battery cells, which can prevent the battery from fully charging. The reviewer highlights that this is not an isolated incident, with other 2025 Ioniq 5 and Ioniq 5N owners experiencing similar battery failures. While Hyundai has initiated a claim and will provide a loaner vehicle (an Ioniq 5 XRT), the replacement timeline for the battery pack is uncertain, potentially ranging from weeks to months. The reviewer also speculates on the origin of the replacement battery, noting that early 2025 models used Hungarian-made packs, while later ones use US-made packs.
Vehicle Specs
| Brand | Hyundai |
|---|---|
| Model | Ioniq 5 |
| Year | 2025 |
