Chrysler Pacifica 2017–2018 — technical service bulletin
Bulletin S1908000161 Rev. · NHTSA communication 10181541 · issued Sep 2, 2020
Technical service bulletin
communication type
Equipment
component
2017–2018
model years
2
vehicle entries
Official summary
(Revision A) Active Grill Shutter (AGS) Replacement, DTC U11E9 Loss of Communication With AGS
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.