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Service bulletin L-SB-0004-20

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 id10173795
Published by NHTSA2020-04-13
Manufacturer's numberL-SB-0004-20
Manufacturer's date2020-03-09
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT

NHTSA's summary

TSB: Some 2020 model year ES350, ES300h, UX200, and UX250h vehicles may exhibit a condition in which the Remote Connect app does not accept the activation code and/or becomes inoperative, and/or the SOS call center does not receive the vehicle?s location data in a timely manner. Follow the Firmware Update Procedure in this bulletin to address these conditions.

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, Equipment and accessories

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

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