TSB SB-25-16-004 — Tesla Service bulletin
SB-25-16-004 is a service bulletin on file with NHTSA for 2 Tesla models, 2021–2022 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. On certain Model S and Model X vehicles, the HV battery umbrella valves, over time, may become damaged due to road debris. Replace all 5 umbrella valves with updated parts. This new revision, R1, updates the affected Countries/Regions.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SB-25-16-004 names
| Vehicle | Model years |
|---|---|
| Tesla Model S | 2021, 2022 |
| Tesla Model X | 2021, 2022 |
Every document filed under SB-25-16-004
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 |
|---|---|---|
| SB-25-16-004 | September 3, 2025 | Service bulletin |
| SB-25-16-004 | June 4, 2025 | Service bulletin |
What SB-25-16-004 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SB-25-16-004?
SB-25-16-004 is a service bulletin filed with NHTSA by Tesla, covering 2 Tesla models across the 2021–2022 model years. NHTSA's summary reads: On certain Model S and Model X vehicles, the HV battery umbrella valves, over time, may become damaged due to road debris. Replace all 5 umbrella valves with updated parts. This new revision, R1, updates the affected Countries/Regions.
Which vehicles does SB-25-16-004 cover?
NHTSA's file names Tesla Model S (2021–2022); Tesla Model X (2021–2022). 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 SB-25-16-004 a recall, and is the repair free?
No. SB-25-16-004 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 SB-25-16-004?
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 SB-25-16-004, 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 SB-25-16-004. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.