Chrysler Pacifica 2021–2022 — technical service bulletin
Bulletin 0813022 · NHTSA communication 10221496 · issued Jun 22, 2022
Technical service bulletin
communication type
Equipment
component
2021–2022
model years
7
vehicle entries
Official summary
Amplifier (AMP) Drone Noise This bulletin involves replacing the amplifier. Customers may experience the following: Audible drone after initial start up or during idle.
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.