Toyota Sienna 2011–2014 — technical service bulletin
Bulletin PSD-TC-14-014 · NHTSA communication 10056062 · issued Jun 4, 2014
Technical service bulletin
communication type
Equipment
component
2011–2014
model years
4
vehicle entries
Official summary
Toyota: see document search button for owner letter. A program error, in driving support ecu, has radar sensor pre-collision system (pcs) inactive 10 seconds or more, while stopped, will fail to reactivate pre-collision braking. Model 2011-2014 sienna. *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.