TSB 2078648 — Audi Service bulletin

2078648 is a service bulletin on file with NHTSA for 3 Audi models, 2017–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. This service information TSB provides warranty coverage information for vehicles with a broken sunroof panel.

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

1Document filed
3Vehicles named
10Model years

Vehicles and model years 2078648 names

VehicleModel years
Audi A4 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Audi Q5 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Audi Q7 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026

Every document filed under 2078648

Document IDFiledType
TSB_2078648_2 July 10, 2026 Service bulletin

What 2078648 covers

Body & structure — the component vocabulary NHTSA files this communication under.

← All Audi A4 TSB years All bulletin numbers

Questions buyers ask

What is TSB 2078648?

2078648 is a service bulletin filed with NHTSA by Audi, covering 3 Audi models across the 2017–2026 model years. NHTSA's summary reads: This service information TSB provides warranty coverage information for vehicles with a broken sunroof panel.

Which vehicles does 2078648 cover?

NHTSA's file names Audi A4 (2017–2024); Audi Q5 (2017–2025); Audi Q7 (2017–2026). 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 2078648 a recall, and is the repair free?

No. 2078648 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 2078648?

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 2078648, 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 2078648. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.