TSB AOS-26-25 — Audi Service bulletin
AOS-26-25 is a service bulletin on file with NHTSA for 3 Audi models, 2011–2020 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: The ODIS Audi Brand update 2.41.1 is setting a ODS5003E error code when you perform the 90TV…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years AOS-26-25 names
| Vehicle | Model years |
|---|---|
| Audi A4 | 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| Audi Q5 | 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| Audi Q7 | 2011, 2012, 2013, 2014, 2015, 2017, 2018, 2019, 2020 |
Every document filed under AOS-26-25
| Document ID | Filed | Type |
|---|---|---|
| AOS-26-25 | May 26, 2026 | Service bulletin |
Questions buyers ask
What is TSB AOS-26-25?
AOS-26-25 is a service bulletin filed with NHTSA by Audi, covering 3 Audi models across the 2011–2020 model years. NHTSA's summary reads: This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: The ODIS Audi Brand update 2.41.1 is setting a ODS5003E error code when you perform the 90TV…
Which vehicles does AOS-26-25 cover?
NHTSA's file names Audi A4 (2011–2019); Audi Q5 (2011–2020); Audi Q7 (2011–2015, 2017–2020). 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 AOS-26-25 a recall, and is the repair free?
No. AOS-26-25 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 AOS-26-25?
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 AOS-26-25, 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 AOS-26-25. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.