Dodge Durango 2021 — technical service bulletin
Bulletin 18-006-21 · NHTSA communication 10187143 · issued Jan 30, 2021
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on the following conditions:Poor air conditioning performance. Air conditioning compressor will not stop cycling and the evaporator freezes up.
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.