Toyota Sienna 2011–2020 — technical service bulletin
Bulletin T-SB-0033-18 Rev · NHTSA communication 10184560 · issued Nov 24, 2020
Technical service bulletin
communication type
Service Brakes
component
2011–2020
model years
10
vehicle entries
Official summary
TSB: Some 2011 ? 2020 model year Sienna vehicles may exhibit a vibration/pulsation from the front brakes that can be felt in the brake pedal while lightly applying the brake pedal. 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.