TSB 51G0 — Audi Service campaign
51G0 is a service campaign on file with NHTSA for the Audi Q5, 2018–2019 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. Audi is conducting a study of vehicles that are being operated in parts of the United States known to frequently use road salt during the winter months.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. 51G0 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 51G0 names
Every document filed under 51G0
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 51G0 | March 4, 2025 | Service campaign |
| Dealer 51G0 | March 3, 2025 | Service campaign |
Questions buyers ask
What is TSB 51G0?
51G0 is a service campaign filed with NHTSA by Audi, covering the Audi Q5 across the 2018–2019 model years. NHTSA's summary reads: Audi is conducting a study of vehicles that are being operated in parts of the United States known to frequently use road salt during the winter months.
Which vehicles does 51G0 cover?
NHTSA's file names Audi Q5 (2018–2019). 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 51G0 a recall, and is the repair free?
51G0 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 51G0?
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 51G0, 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 51G0. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.