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May 14, 2026 Warranty extension

Hyundai is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse...

Hyundai technical service bulletin 26-EV-004H DCS for 2022-2024 Hyundai Ioniq 5 and 2023-2025 Hyundai Ioniq 6.

Bulletin number
26-EV-004H DCS (Z14)
Component
Electrical system
Summary
Hyundai is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse to 15 years/180,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners. Follow the flowchart in Technical Service Bulletin (TSB) 26-BE-010H to check for an active or stored occurrence of any Diagnostic Trouble Code (DTC) that requires replacement of the ICCU and replace the ICCU and ICCU fuse if necessary. Some vehicles may have an active DTC that requires ICCU replacement. Please note that any vehicles under 15 years/180,000 miles are covered by this TSB, even if vehicle is within High Voltage Warranty of 10 years/120,000 miles.

Owners of these vehicles have filed 835 complaints in the electrical category.

Vehicles covered

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