TSB Z15 — Hyundai Warranty extension
Z15 is a warranty extension on file with NHTSA for the Hyundai Palisade, 2020–2025 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Certain 2020 – 2025 model year Palisade vehicles may exhibit engine oil leakage at the engine oil filter housing assembly due to deterioration of the housing seal. At Hyundai, we are committed to providing vehicles of outstanding quality and value. In an effort to meet this…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. Z15 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 Z15 names
Every document filed under Z15
| Document ID | Filed | Type |
|---|---|---|
| Z15 OL | August 3, 2026 | Warranty extension |
What Z15 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB Z15?
Z15 is a warranty extension filed with NHTSA by Hyundai, covering the Hyundai Palisade across the 2020–2025 model years. NHTSA's summary reads: Certain 2020 – 2025 model year Palisade vehicles may exhibit engine oil leakage at the engine oil filter housing assembly due to deterioration of the housing seal. At Hyundai, we are committed to providing vehicles of outstanding quality and value. In an effort to meet this…
Which vehicles does Z15 cover?
NHTSA's file names Hyundai Palisade (2020–2025). 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 Z15 a recall, and is the repair free?
Z15 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 Z15?
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 Z15, 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 Z15. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.