TSB Z12 — Hyundai Warranty extension
Z12 is a warranty extension on file with NHTSA for the Hyundai Palisade, 2020–2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Certain 2020 – 2024 model year Palisade vehicles may exhibit a clunking or thumping noise from the rear of the vehicle while driving over rough roads. This may be caused by worn rear self-leveling shock absorbers. At Hyundai, we are committed to providing vehicles of outstanding…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. Z12 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 Z12 names
Every document filed under Z12
| Document ID | Filed | Type |
|---|---|---|
| Z12 OL | July 15, 2026 | Warranty extension |
What Z12 covers
Suspension — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB Z12?
Z12 is a warranty extension filed with NHTSA by Hyundai, covering the Hyundai Palisade across the 2020–2024 model years. NHTSA's summary reads: Certain 2020 – 2024 model year Palisade vehicles may exhibit a clunking or thumping noise from the rear of the vehicle while driving over rough roads. This may be caused by worn rear self-leveling shock absorbers. At Hyundai, we are committed to providing vehicles of outstanding…
Which vehicles does Z12 cover?
NHTSA's file names Hyundai Palisade (2020–2024). 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 Z12 a recall, and is the repair free?
Z12 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 Z12?
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 Z12, 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 Z12. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.