Chrysler Pacifica 2021 — technical service bulletin
Bulletin 0804821 · NHTSA communication 10220976 · issued Mar 25, 2021
Technical service bulletin
communication type
Visibility
component
2021
model years
1
vehicle entries
Official summary
Flash: Heating, Ventilation and Air Conditioning (HVAC) Module Updates This bulletin involves reprogramming the HVAC Module with the latest available software. Customers may comment on the following: Temperature settings in the radio only being selectable at Lo or Hi. No intermediate temperature changes are possible.
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.