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Service bulletin L-SB-0159-17

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 id10132667
Published by NHTSA2018-04-02
Manufacturer's numberL-SB-0159-17
Manufacturer's date2017-10-05
NHTSA componentPOWER TRAIN

NHTSA's summary

TSB: Some 2015 ? 2017 model year NX 200t and 2016 ? 2017 model year GS 200t, IS 200t, and RC 200t vehicles equipped with an 8AR-FTS engine may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P137800 (Pre-ignition Detected) followed by a ?Reduced Engine Power Visit Your Dealer? message on the Multi-Informational Display (MID) unit. The Engine Control Module/ECM (SAE Term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring.

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

Transmission and driveline

Trouble codes named

P1378

Vehicles listed
LEXUS GS 200T2016 to 2017
LEXUS IS 2502016 to 2017
LEXUS RC 200T2015 to 2017

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