TSB SB-25-16-002 — Tesla Service bulletin
SB-25-16-002 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 built between approximately January 2021 and September 22, 2022, the High Voltage (HV) battery ports’ plungers intended for internal water leak egress (also known as flood ports) can be replaced with plungers that are more robust against…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SB-25-16-002 names
| Vehicle | Model years |
|---|---|
| Tesla Model S | 2021, 2022 |
| Tesla Model X | 2021, 2022 |
Every document filed under SB-25-16-002
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-25-16-002 | September 2, 2025 | Service bulletin |
| SB-25-16-002 | May 5, 2025 | Service bulletin |
What SB-25-16-002 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SB-25-16-002?
SB-25-16-002 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 built between approximately January 2021 and September 22, 2022, the High Voltage (HV) battery ports’ plungers intended for internal water leak egress (also known as flood ports) can be replaced with plungers that are more robust against…
Which vehicles does SB-25-16-002 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-25-16-002 a recall, and is the repair free?
No. SB-25-16-002 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-25-16-002?
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-25-16-002, 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-25-16-002. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.