Hi jessace,
We released a technical service bulletin (TSB) in September that might help with this situation. Your dealership will be able to let you know if this applies to your vehicle, and can then perform the update:
"NUMBER: 0808617
GROUP: 08 Electrical
DATE: September 2, 2017
SUBJECT:
Low Volume or Static While Using the Overhead DVD
OVERVIEW:
This bulletin involves checking the DVD media hub auxiliary switch part number and possibly replacing the switch.
MODELS:
2017 (RU) Chrysler Pacifica
SYMPTOM/CONDITION:
Customers may experience low volume or static from the overhead DVD player when playing through the radio while in auxiliary (AUX) mode.
DIAGNOSIS:
If the customer describes the symptom/condition listed above, perform the Repair Procedure."
Kori
Chrysler Social Care Specialist