Lexus GS300 2006–2010 — technical service bulletin
Bulletin L-TT-0192-15 · NHTSA communication 10152274 · issued Dec 8, 2015
Technical service bulletin
communication type
Engine and Engine Cooling
component
2006–2010
model years
7
vehicle entries
Official summary
TT: Some IS250 and GS300 vehicles may exhibit one or more of the following conditions: ? MIL ?ON? DTC P0300, P0301, P0302, P0303, P0304, P0305, and/or P0306. ? Intermittently runs rough after coming to a stop with the engine at operating temperature. ? Intermittently runs rough with engine misfires present after a cold soak startup. NOTE: The recommendations in this document apply to an intermittent misfire concern. If a vehicle exhibits a steady misfire, the root cause is not related to the referenced service bulletins and the repair manual should be referenced for diagnosis.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.