Toyota Highlander Hybrid 2011–2012 — technical service bulletin
Bulletin TC-12-011 · NHTSA communication 10046359 · issued Apr 23, 2012
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2012
model years
3
vehicle entries
Official summary
Toyota: see document search button for owner letter. Exhaust gas control actuator may possible develop coolant leak causing check engine lamp and water temp indicator lamp to illuminate. Models 2011-2012 highlander hv; model 2012 prius v. *pe
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.