Dodge Durango 2014–2015 — technical service bulletin
Bulletin 2400417 · NHTSA communication 10224948 · issued Oct 24, 2017
Technical service bulletin
communication type
Electrical System
component
2014–2015
model years
4
vehicle entries
Official summary
Flash: HVAC System Improvements This bulletin involves reprogramming the Heating Ventilation Air Conditioning (HVAC) Module with new software. Some customers may experience one or more of the following conditions:HVAC is shutting off during a cold engine crank due to low voltage, user will need to manually turn HVAC system back on.. Erratic blower speed operation when using HVAC system in auto mode. Brief burst of hot or cold air after adjusting the HVAC temperature setting. 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.