Electrical System Failures (ICCU/12V Battery)

Failures of the Integrated Charging Control Unit (ICCU) can lead to the 12V battery not charging, resulting in a sudden loss of propulsion power. This issue is frequently reported at very low mileage. Estimated repair cost: $500 - $2,500.

Though less frequent than electrical complaints, issues with the service brakes can compromise stopping ability. This may involve brake pad wear, rotor issues, or hydraulic system problems. Estimated repair cost: $300 - $800.

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2024 Hyundai Ioniq 5 Maintenance guide

Name: Maintenance dataset for 2024 Hyundai Ioniq 5
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed

MAINTENANCE SUMMARY

The 2024 Hyundai Ioniq 5 faces significant concerns regarding its electrical system, specifically the ICCU and 12V battery, leading to sudden propulsion loss. With 133 complaints and 12 recalls, owners should prioritize inspections of these components.

View Critical Issue: Power Train System Issues

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Reliability Score

Est. Annual Maintenance Cost

$150 - $300

TSBs & Recalls

5 TSBs | 12 Recalls

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Key Takeaways

The 2024 Hyundai Ioniq 5 has a Below Average reliability verdict.
Electrical system failures, particularly involving the ICCU and 12V battery, are the most significant concern.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance