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Service bulletin L-SB-0039-18 Rev

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 id10177591
Published by NHTSA2020-07-27
Manufacturer's numberL-SB-0039-18 Rev
Manufacturer's date2020-06-10
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM

NHTSA's summary

TSB: Some 2018 ? 2020 model year LS 500 vehicles may exhibit one or more of the following transmission-related conditions: ?R to D shift delay when the vehicle is cold. ?Shift bump when slowing to a stop. ?Harsh shift engagement from R to D. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been revised 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, Transmission and driveline, Automatic transmission

Vehicles listed
LEXUS LS5002018 to 2020

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