TSB 27BQ — Audi Service campaign

27BQ is a service campaign on file with NHTSA for the Audi Q7, 2020–2024 model years, filed and re-filed as 22 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

22Documents filed
1Vehicle named
5Model years

Worth checking your VIN against. 27BQ 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 27BQ names

VehicleModel years
Audi Q7 2020, 2021, 2022, 2023, 2024

Every document filed under 27BQ

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
Circular 27BQ_REV10 January 7, 2025 Service campaign
Dealer 27BQ_REV10 January 7, 2025 Service campaign
Circular 27BQ_REV9 December 17, 2024 Service campaign
Dealer 27BQ_REV9 December 17, 2024 Service campaign
Circular 27BQ_REV8 December 6, 2024 Service campaign
Dealer 27BQ_REV8 December 6, 2024 Service campaign
Circular 27BQ_REV7 November 15, 2024 Service campaign
Dealer 27BQ_REV7 November 15, 2024 Service campaign
Circular 27BQ_REV6 October 24, 2024 Service campaign
Dealer 27BQ_REV6 October 24, 2024 Service campaign
Circular 27BQ_REV5 October 10, 2024 Service campaign
Dealer 27BQ_REV5 October 10, 2024 Service campaign
Circ 27BQ_REV4 August 19, 2024 Service campaign
Dealer 27BQ_REV4 August 19, 2024 Service campaign
Circ 27BQ_REV4 August 19, 2024 Service campaign
Dealer 27BQ_REV4 August 19, 2024 Service campaign
Circ 27BQ_REV3 June 26, 2024 Service campaign
Circ 27BQ_REV3 June 26, 2024 Service campaign
Circ 27BQ_REV2 June 11, 2024 Service campaign
Circ 27BQ_REV2 June 11, 2024 Service campaign
Circ 27BQ_REV1 May 3, 2024 Service campaign
Circ 27BQ_REV1 May 3, 2024 Service campaign
← All Audi Q7 TSB years TSB lookup by model

Questions buyers ask

What is TSB 27BQ?

27BQ is a service campaign filed with NHTSA by Audi, covering the Audi Q7 across the 2020–2024 model years. NHTSA's summary reads: Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still…

Which vehicles does 27BQ cover?

NHTSA's file names Audi Q7 (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 27BQ a recall, and is the repair free?

27BQ 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 27BQ?

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 27BQ, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 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 27BQ. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.