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Service bulletin SB2116003

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 id10212799
Published by NHTSA2022-05-31
Manufacturer's numberSB2116003
Manufacturer's date2021-12-07
NHTSA componentHYBRID PROPULSION SYSTEM

NHTSA's summary

Certain Model 3 and Model Y vehicles were manufactured with high voltage (HV) batteries having cell separators that do not meet Tesla?s internal standards of quality, potentially resulting in a reduction of range.

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

Hybrid and electric drive

Vehicles listed
TESLA MODEL 32021
TESLA MODEL Y2021

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

Other bulletins for the same vehicles and component
SB-21-18-002-R62022-11-28. Service bulletin. Certain Model 3 and Model Y vehicles may be equipped with refrigerant pressure/temperature (P/T) sensors in the heat pump that can fault over time.