Toyota Tacoma 2016–2019 — technical service bulletin
Bulletin 21TD03 - 2016-20 · NHTSA communication 10210380 · issued Mar 29, 2022
Technical service bulletin
communication type
Structure
component
2016–2019
model years
4
vehicle entries
Official summary
DP: The Center High-Mounted Stop Lamp on the involved vehicles has a seal between the lamp and the vehicle body which can deteriorate over time. If the seal deteriorates sufficiently, water from outside the vehicle could leak into the vehicle cabin through the seal
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.