TSB TSB-2076404 — Audi Service bulletin
TSB-2076404 is a service bulletin on file with NHTSA for 3 Audi models, 2020–2023 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 bulletin provides a deployment overview for customer service packages MLB and MQB for MIB3/connectivity box/OCU3/LSR.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years TSB-2076404 names
Every document filed under TSB-2076404
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 |
|---|---|---|
| TSB_2076404_8 | June 29, 2026 | Service bulletin |
| TSB_2076404_7 | June 1, 2026 | Service bulletin |
Questions buyers ask
What is TSB TSB-2076404?
TSB-2076404 is a service bulletin filed with NHTSA by Audi, covering 3 Audi models across the 2020–2023 model years. NHTSA's summary reads: This bulletin provides a deployment overview for customer service packages MLB and MQB for MIB3/connectivity box/OCU3/LSR.
Which vehicles does TSB-2076404 cover?
NHTSA's file names Audi A4 (2020–2023); Audi Q5 (2021–2023); Audi Q7 (2021–2023). 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 TSB-2076404 a recall, and is the repair free?
No. TSB-2076404 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of TSB-2076404?
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 TSB-2076404, 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 TSB-2076404. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.