TSB 2076404 — Audi Service bulletin

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.

2Documents filed
3Vehicles named
4Model years

Vehicles and model years 2076404 names

VehicleModel years
Audi A4 2020, 2021, 2022, 2023
Audi Q5 2021, 2022, 2023
Audi Q7 2021, 2022, 2023

Every document filed under 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 IDFiledType
TSB_2076404_8 June 29, 2026 Service bulletin
TSB_2076404_7 June 1, 2026 Service bulletin
← All Audi A4 TSB years All bulletin numbers

Questions buyers ask

What is TSB 2076404?

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 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 2076404 a recall, and is the repair free?

No. 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 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 2076404, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-29 from NHTSA's public records

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 2076404. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.