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Service bulletin L-SB-0011-14

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 id10131923
Published by NHTSA2018-04-02
Manufacturer's numberL-SB-0011-14
Manufacturer's date2014-02-13
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

Hybrid vehicles are equipped with 2 types of batteries: Hybrid Vehicle (HV) battery and 12-volt auxiliary battery If the vehicle is put into storage, the state of charge (SOC) of its HV battery and auxiliary battery will gradually decrease. To prevent the auxiliary battery from becoming discharged during storage, proper maintenance is necessary. Please perform the following maintenance service for the HV battery and 12-volt auxiliary battery.

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 CT HYBRID2015
LEXUS ES HYBRID2015
LEXUS GS450H2015
LEXUS LS600H2015
LEXUS RX HYBRID2015

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