Chrysler Pacifica 2017–2021 — technical service bulletin
Bulletin ReferenceY40A · NHTSA communication 10251817 · issued Jan 17, 2024
Technical service bulletin
communication type
Electrical System
component
2017–2021
model years
14
vehicle entries
Official summary
Revised Customer Satisfaction Notification Y40 ? Control Module Software Updates
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.