Chrysler 300 2014–2019 — technical service bulletin
Bulletin 24-012-19 · NHTSA communication 10168449 · issued Oct 11, 2019
Technical service bulletin
communication type
Electrical System
component
2014–2019
model years
16
vehicle entries
Official summary
Flash: HVAC System Enhancement This bulletin involves reprogramming the Heating Ventilation Air Conditioning (HVAC)Module with new software. Customers may experience one of the following:Unpleasant odor in the vehicle after driving from highway speed limits back downto city speed limits. The left temperature door is inoperable(2014-2018 Vehicles Only). Updating the HVAC software will correct these conditions.
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.