Chrysler Pacifica 2019–2020 — technical service bulletin
Bulletin 0810521 · NHTSA communication 10221343 · issued Jun 23, 2021
Technical service bulletin
communication type
Equipment
component
2019–2020
model years
4
vehicle entries
Official summary
UAV and UCV Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to: 39.5. Customers may experience one or more of the following: Lost radio presets. High pitch squeal, pop or humming sound coming from all of the speakers. SXM favorite song list empty. Radio display screen is black when the ignition is on. Radio may reset/reboots, turn itself off and then back on again. Radios resets when a Bluetooth paired phone receives two text messages one after another simultaneously after approximately seven seconds. (ABD sales code). Incorrect navigatio
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.