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Service bulletin L-TT-0292-20

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 id10182970
Published by NHTSA2020-11-23
Manufacturer's numberL-TT-0292-20
Manufacturer's date2020-10-06
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

TT: A 12-volt battery discharged and/or dead condition can be due to multiple causes. In order to properly diagnose and determine the root cause it?s important to follow a structured process to identify any contributing issues and determine the proper remedy.

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, 12-volt battery

Vehicles listed
LEXUS ES HYBRID2020 to 2021
LEXUS ES3502020 to 2021
LEXUS UX HYBRID2020 to 2021
LEXUS UX2002020 to 2021

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