Chrysler Pacifica 2021–2022 — technical service bulletin
Bulletin 08-026-23 · NHTSA communication 10231806 · issued Jan 26, 2023
Technical service bulletin
communication type
Equipment
component
2021–2022
model years
7
vehicle entries
Official summary
RCA Amplifier Drone Noise Audible drone after initial startup or during idle. This bulletin involves replacing the amplifier.
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.