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Service bulletin L-SB-0012-18

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 id10152132
Published by NHTSA2018-12-17
Manufacturer's numberL-SB-0012-18
Manufacturer's date2018-03-28
NHTSA componentENGINE; ELECTRICAL SYSTEM:IGNITION

NHTSA's summary

TSB: Some 2018 model year LS 500 vehicles equipped with a V35A-FTS engine may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P050B00 (Cold Start Ignition Timing Performance). The Engine Control Module/ECM (SAE Term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Follow the Repair Procedure in this bulletin to address this condition.

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, Engine, Ignition

Trouble codes named

P050B

Vehicles listed
LEXUS LS5002018

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