Lexus GX460 2010–2013 — technical service bulletin
Bulletin ZLH POL17-01 War · NHTSA communication 10131779 · issued Feb 15, 2017
Technical service bulletin
communication type
Electrical System
component
2010–2013
model years
4
vehicle entries
Official summary
Warranty Policy Bulletin POL17-01: Lexus has received reports of customer concerns regarding the illumination of the check engine light (Malfunction Indicator Light) due to moisture/water in the Air Injection Pumps and/or Air Switching Valves.
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.