Toyota Sienna 2010–2020 — technical service bulletin
Bulletin T-SB-0004-21 · NHTSA communication 10187265 · issued Jan 21, 2021
Technical service bulletin
communication type
Vehicle Speed Control
component
2010–2020
model years
11
vehicle entries
Official summary
TSB: Some 2010 ? 2020 model year Sienna vehicles may exhibit a condition where the front door glass run on either the right-hand or left-hand side comes loose from the door channel during window operation. Follow the Repair Procedure in this bulletin to address this condition.
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.