KNOWN FAULTS · Hyundai
Known faults for the Hyundai Ioniq 5.
2021–2026 · Electric
Sources are not verified in real time and no entry confirms that your car is affected.
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1 known fault with sources
Engines: Ioniq 5 (Electric)
Integrated charging control unit (ICCU) that stops charging the 12 V batteryElectrical and electronic systems
- Engine / equipment
- E-GMP electric cars: Hyundai Ioniq 5 and Ioniq 6, Kia EV6
- Period mentioned
- 2021–2025
- Symptoms
- Fault warnings, the car goes into limp mode and can lose drive power while moving; the 12 V battery runs flat.
- Possible cause described
- The ICCU, which charges the 12 V battery from the high-voltage one, can be damaged by voltage spikes and thermal cycling. In the US more than 200,000 cars were recalled: the ICCU and its fuse are checked and replaced if needed and new software is installed; some cars that had already been updated failed again.
- Check for the garage
- Check the ICCU campaigns and software by VIN; if the warning appears, find a safe place to stop and call for assistance.
- Cost cited in the source
- Free under the recall.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
InsideEVs: Hyundai, Kia recall over 200,000 EVs because they might lose power while drivingInsideEVs: the Hyundai, Kia and Genesis ICCU failure
View full entryEngines for this model
- Ioniq 5Electric