tech
Kia's flagship EV has a battery problem
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TL;DR
- The Kia EV9 is experiencing widespread 12-volt battery issues, rendering the vehicle dead.
- Owners report erratic charging behavior, with the car jumping from 80% to 100% and a significant decrease in estimated range.
- Diagnostic tools reveal that the main high-voltage battery pack may be faulty, with some cells not holding a charge.
- The wait time for a replacement battery pack can be as long as nine months, causing significant inconvenience and financial strain for owners.
- Similar battery and ICCU issues are affecting other Hyundai and Kia EV models, including the Ioniq 5 and EV6.
- Hyundai and Kia have begun issuing warranty extensions globally for affected vehicles after previously being silent on the issues.
- Owners are advised to use OBD II readers to diagnose battery health themselves, as dealerships may struggle to identify the problems.