Toyota Sequoia 2011 — technical service bulletin
Bulletin ZG6_Toyota POL17 · NHTSA communication 10132382 · issued Jun 22, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011
model years
2
vehicle entries
Official summary
Warranty Policy Bulletin POL 17-02: Toyota has received reports of customer concerns regarding the illumination of the check engine 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.