Ford Transit 2015–2021 — technical service bulletin
Bulletin TSB 21-2102 · NHTSA communication 10191171 · issued Apr 14, 2021
Technical service bulletin
communication type
Equipment
component
2015–2021
model years
7
vehicle entries
Official summary
Some 2015-2021 Transit vehicles built with manual sliding door(s) may have an incorrectly adjusted ajar switch. To correct this condition, follow the service procedure to readjust the ajar switch.
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.