TSB VOS-26-01 — Volkswagen Service bulletin
VOS-26-01 is a service bulletin on file with NHTSA for 7 Volkswagen models, 2009–2022 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 a test that is not reading any information from the battery data module (BDM) and will output:
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years VOS-26-01 names
| Vehicle | Model years |
|---|---|
| Volkswagen Atlas | 2018, 2019, 2020 |
| Volkswagen Beetle | 2009, 2010, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| Volkswagen Golf | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
| Volkswagen ID.4 | 2021 |
| Volkswagen Jetta | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| Volkswagen Passat | 2009, 2010, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| Volkswagen Tiguan | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
Every document filed under VOS-26-01
| Document ID | Filed | Type |
|---|---|---|
| VOS-26-01 | January 6, 2026 | Service bulletin |
What VOS-26-01 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB VOS-26-01?
VOS-26-01 is a service bulletin filed with NHTSA by Volkswagen, covering 7 Volkswagen models across the 2009–2022 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 a test that is not reading any information from the battery data module (BDM) and will output:
Which vehicles does VOS-26-01 cover?
NHTSA's file names Volkswagen Atlas (2018–2020); Volkswagen Beetle (2009–2010, 2012–2019); Volkswagen Golf (2009–2021); Volkswagen ID.4 (2021); Volkswagen Jetta (2009–2020); Volkswagen Passat (2009–2010, 2012–2022); Volkswagen Tiguan (2009–2020). 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 VOS-26-01 a recall, and is the repair free?
No. VOS-26-01 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 VOS-26-01?
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 VOS-26-01, 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 VOS-26-01. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.