Chrysler Pacifica 2020–2022 — technical service bulletin
Bulletin 9004138a · NHTSA communication 10230154 · issued Jul 21, 2021
Technical service bulletin
communication type
Structure
component
2020–2022
model years
6
vehicle entries
Official summary
GRILLE, Active Shutter For a Customer Concern of Check Engine Light On and DTC U11E9- PCM Lost Communication with Active Grille Shutter (AGS) is set, please review Star Online S2008000132 for known concerns. Prior to replacing this part please call FCA Redacted Content. If no response in 15 minutes, please proceed with repair.
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.