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Service bulletin SB-25-16-004

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11023641
Published by NHTSA2025-10-02
Manufacturer's numberSB-25-16-004
Manufacturer's date2025-09-03
Campaign id or software versionSB-25-16-004
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
TESLA MODEL S2021, 2022
TESLA MODEL X2021, 2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V1720002025-03-19. AIR BAGS; ELECTRICAL SYSTEM:HORN
20244272024-07-25. Electrical
24V5540002024-07-24. ELECTRICAL SYSTEM:SOFTWARE; LATCHES/LOCKS/LINKAGES:HOOD:LATCH
24V1530002024-02-27. FORWARD COLLISION AVOIDANCE: WARNINGS:EXTERNAL/PEDESTRIAN ALERT; ELECTRICAL SYSTEM:SOFTWARE
24V0510002024-01-30. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
23V8620002023-12-19. ELECTRICAL SYSTEM:SOFTWARE; LATCHES/LOCKS/LINKAGES:DOORS:LATCH
23V8380002023-12-12. ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:SOFTWARE
23V6790002023-10-11. SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT; ELECTRICAL SYSTEM
22V2350002022-04-12. ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE: WARNINGS:EXTERNAL/PEDESTRIAN ALERT
22V0630002022-02-04. FORWARD COLLISION AVOIDANCE: WARNINGS:EXTERNAL/PEDESTRIAN ALERT; ELECTRICAL SYSTEM:SOFTWARE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SB-25-16-0022025-10-02. Service bulletin. 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 external ingress due to submersion during flooding or other similar high-severity abuse instances. Replace all 5 flood port plungers with updated parts. This new revision, R2, updates the affected Countries/Regions.
NHTSA 110214942025-08-05. Other. Messaging sent directly to customers who have queued with Tesla Service to perform Service Bulletin SB-25-16-002 "Replace Flood Port Plungers". The customer is informed that their vehicle is in queue to receive parts and repairs, Tesla Service will reach out to them when the Service Center is ready to schedule vehicle service, and what to do if the vehicle is exposed/will be exposed to flooding.
NHTSA 110214932025-08-05. Other. Proactive messaging sent directly to customers affected by Service Bulletin SB-25-16-002 "Replace Flood Port Plungers". The customer is informed that their vehicle is impacted by Service Bulletin SB-25-16-002, the benefits of performing the bulletin repair, and what to do if the vehicle is exposed/will be exposed to flooding.
SB-25-16-0042025-07-04. Service bulletin. On certain Model S and Model X vehicles, the HV battery umbrella valves, over time, may become damaged due to road debris.
SB-25-16-0022025-06-02. Service bulletin. 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 external ingress due to submersion during flooding or other similar high-severity abuse instances.
SB-24-17-0052025-05-02. Service bulletin. On certain Model S, Model X and Model Y vehicles, the interior camera requires replacement to mitigate reduced driver attentiveness detection performance in low-light conditions.
SB-24-21-0022025-04-02. Service bulletin. Some Model S and Model X vehicles with 1st Generation Global Navigation Satellite System (GNSS) antennas might suffer from lower-than-expected navigation signal strength under certain circumstances.
SB-25-17-0042025-03-04. Service bulletin. Some Model S and Model X vehicles with revision D interior cameras might suffer from lower-than-expected navigation signal strength under certain circumstances.
SB-24-17-0052025-02-03. Service bulletin. On certain Model S, Model X and Model Y vehicles, the interior camera requires replacement to mitigate reduced driver attentiveness detection performance in low-light conditions.
SB-24-21-0022025-01-03. Service bulletin. Some Model S and Model X vehicles with 1st Generation Global Navigation Satellite System (GNSS) antennas might suffer from lower-than-expected navigation signal strength under certain circumstances.