WenmarOpen by Wenmar Pro

Service bulletin LSB-0004-10

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 id10033626
Published by NHTSA2010-08-30
Manufacturer's numberLSB-0004-10
Manufacturer's date2010-01-14
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

LEXUS: SOME VEHICLES EQUIPPED WITH A 2GR-FSE OR 4GR-FSE ENGINE MAY EXHIBIT A MIL ON CONDITION WITH ONE OR MORE OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS)-P0128-COOLANT THERMOSTAT (COOLANT THERMOSTAT BELOW THERMOSTAT REGULATING TEMPERATURE), P0116-ENGINE COOLANT TEMPERATURE RANGE/PERFORMANCE PROBLEM. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Cooling system

Trouble codes named

P0116, P0128

Vehicles listed
LEXUS GS 3502008 to 2009
LEXUS GS450H2008 to 2009
LEXUS IS 2502008 to 2009
LEXUS IS 3502008 to 2009

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