Toyota Prius 2010–2011 — technical service bulletin
Bulletin T-SB-0205-11 Rev · NHTSA communication 10133900 · issued Jan 31, 2013
Technical service bulletin
communication type
Equipment
component
2010–2011
model years
2
vehicle entries
Official summary
Some 2010-2011 model year Prius vehicles may exhibit a MIL "ON" condition with DTCs P3190, P3191, P0A0F, and/or purge VSV/PCV line separation from the throttle body housing.
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.