Lexus GX460 2011–2013 — technical service bulletin
Bulletin JLG_Dealer Email · NHTSA communication 10164881 · issued Aug 8, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2013
model years
3
vehicle entries
Official summary
Dealer Email: - The Dealer Letter has been updated to include additional model years under Phase 2 of Special Service Campaign JLG. Condition There is a possibility that moisture in the air may cause a filter in the vehicle emissions system to degrade. This degradation could cause damage to other parts of the vehicle emission system and illuminate the check engine light (Malfunction Indicator Light). Remedy Any authorized Lexus dealer will replace the filter in the air injection pump with one of an improved design and replace the air switching valves in the vehicle emissions system FREE OF CHA
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.