Toyota Sienna 2016 — technical service bulletin
Bulletin T-SB-0071-15 · NHTSA communication 10096625 · issued Sep 10, 2017
Technical service bulletin
communication type
Equipment
component
2016
model years
2
vehicle entries
Official summary
"tsb: the radio antenna pole on some models is designed with a hex-cut base and requires installation using an 8 mm wrench. When performing pds or installing the antenna pole for any other reason, inspect the antenna base for a hex-cut to determine if the following procedure is required."
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.