TSB 21ZV — Volkswagen Service campaign
21ZV is a service campaign on file with NHTSA for the Volkswagen Jetta, 2024 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. In affected vehicles, the turbocharger housing included an unintended and unused hose port. To avoid possible oil seepage or a small air leak over time, Volkswagen will proactively replace the turbocharger. Based on engineering judgement, this incorrect part is not anticipated…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. 21ZV is filed as a service campaign, 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 21ZV names
| Vehicle | Model years |
|---|---|
| Volkswagen Jetta | 2024 |
Every document filed under 21ZV
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| Circular 21ZV | September 9, 2025 | Service campaign |
| Dealer 21ZV | September 8, 2025 | Service campaign |
What 21ZV covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 21ZV?
21ZV is a service campaign filed with NHTSA by Volkswagen, covering the Volkswagen Jetta across the 2024 model years. NHTSA's summary reads: In affected vehicles, the turbocharger housing included an unintended and unused hose port. To avoid possible oil seepage or a small air leak over time, Volkswagen will proactively replace the turbocharger. Based on engineering judgement, this incorrect part is not anticipated…
Which vehicles does 21ZV cover?
NHTSA's file names Volkswagen Jetta (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 21ZV a recall, and is the repair free?
21ZV is filed as a service campaign, 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 21ZV?
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 21ZV, 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 21ZV. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.