TSB 91UB — Volkswagen Software update
91UB is a software update on file with NHTSA for 3 Volkswagen models, 2021–2026 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. This OTA update addresses a potential issue with special characters being broadcast over HD radio.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. 91UB is filed as a software update, 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 91UB names
| Vehicle | Model years |
|---|---|
| Volkswagen Atlas | 2021, 2022, 2023, 2024, 2025, 2026 |
| Volkswagen Jetta | 2021, 2022, 2023, 2024 |
| Volkswagen Tiguan | 2021, 2022, 2023, 2024 |
Every document filed under 91UB
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 |
|---|---|---|
| Customer email_91UB | June 15, 2026 | Software update |
| Dealer 91UB | June 15, 2026 | Software update |
Questions buyers ask
What is TSB 91UB?
91UB is a software update filed with NHTSA by Volkswagen, covering 3 Volkswagen models across the 2021–2026 model years. NHTSA's summary reads: This OTA update addresses a potential issue with special characters being broadcast over HD radio.
Which vehicles does 91UB cover?
NHTSA's file names Volkswagen Atlas (2021–2026); Volkswagen Jetta (2021–2024); Volkswagen Tiguan (2021–2024). 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 91UB a recall, and is the repair free?
91UB is filed as a software update, 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 91UB?
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 91UB, 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 91UB. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.