Dodge Charger 2021 — technical service bulletin
Bulletin 1806323 · NHTSA communication 10239961 · issued May 19, 2023
Technical service bulletin
communication type
Power Train
component
2021
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates Customers may experience one or more of the following ? Under light acceleration or low speeds below 19 kph (12 mph) engine speed may oscillate or surge. ? After Run Cooling (ARC) fan inoperative. This bulletin involves reprogramming the PCM with the latest available software.
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.