TSB 26-01-041H — Hyundai Warranty extension
26-01-041H is a warranty extension on file with NHTSA for the Hyundai Tucson, 2025–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Certain Tucson (NX4A) vehicles may experience Over-the-Air (OTA) update failures due to outdated Central Communication Unit (CCU) software. This bulletin provides instructions to perform a software update for the CCU.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. 26-01-041H 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 26-01-041H names
| Vehicle | Model years |
|---|---|
| Hyundai Tucson | 2025, 2026 |
Every document filed under 26-01-041H
| Document ID | Filed | Type |
|---|---|---|
| 26-01-041H TSB | May 5, 2026 | Warranty extension |
What 26-01-041H covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 26-01-041H?
26-01-041H is a warranty extension filed with NHTSA by Hyundai, covering the Hyundai Tucson across the 2025–2026 model years. NHTSA's summary reads: Certain Tucson (NX4A) vehicles may experience Over-the-Air (OTA) update failures due to outdated Central Communication Unit (CCU) software. This bulletin provides instructions to perform a software update for the CCU.
Which vehicles does 26-01-041H cover?
NHTSA's file names Hyundai Tucson (2025–2026). 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 26-01-041H a recall, and is the repair free?
26-01-041H 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 26-01-041H?
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 26-01-041H, 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 26-01-041H. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.