Toyota Sienna 2011–2015 — technical service bulletin
Bulletin T-TT-0356-15 Rev · NHTSA communication 10152267 · issued Dec 7, 2015
Technical service bulletin
communication type
Latches/locks/linkages
component
2011–2015
model years
5
vehicle entries
Official summary
TT: Sliding Door will not latch in the closed position due to either front and/or rear lock malfunctioning. Please see link references of video for example condition and diagnosis instruction.
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.