Toyota Sequoia 2012–2013 — technical service bulletin
Bulletin LSC ECM D0E TI U · NHTSA communication 10132053 · issued May 15, 2013
Technical service bulletin
communication type
Fuel System, Gasoline
component
2012–2013
model years
4
vehicle entries
Official summary
In certain 2012-2013 Model Year Toyota Tundra and Sequoia vehicles equipped with a 5.7 liter gasoline or Flex Fuel engines, the ECM calibration may cause an emissions control component called an Air Injection Pump to fail under certain driving conditions.
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.