TSB Z14 — Hyundai Warranty extension
Z14 is a warranty extension on file with NHTSA for the Hyundai Ioniq 5, 2022–2025 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Certain 2022 – 2024 model year IONIQ 5, 2024 model year IONIQ 5 Robotaxi, and 2023 – 2025 model year IONIQ 6 vehicles may require a replacement of the Integrated Charging Control Unit (ICCU) and ICCU Fuse. At Hyundai, we are committed to providing vehicles of outstanding quality…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. Z14 is filed as a warranty extension, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.
Vehicles and model years Z14 names
| Vehicle | Model years |
|---|---|
| Hyundai Ioniq 5 | 2022, 2023, 2024, 2025 |
Every document filed under Z14
| Document ID | Filed | Type |
|---|---|---|
| Z14 OL | June 25, 2026 | Warranty extension |
What Z14 covers
Electrical, Fuel system — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB Z14?
Z14 is a warranty extension filed with NHTSA by Hyundai, covering the Hyundai Ioniq 5 across the 2022–2025 model years. NHTSA's summary reads: Certain 2022 – 2024 model year IONIQ 5, 2024 model year IONIQ 5 Robotaxi, and 2023 – 2025 model year IONIQ 6 vehicles may require a replacement of the Integrated Charging Control Unit (ICCU) and ICCU Fuse. At Hyundai, we are committed to providing vehicles of outstanding quality…
Which vehicles does Z14 cover?
NHTSA's file names Hyundai Ioniq 5 (2022–2025). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB Z14 a recall, and is the repair free?
Z14 is filed as a warranty extension, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.
How do I get the full text of Z14?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under Z14, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under Z14. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.