Dodge Charger 2021 — technical service bulletin
Bulletin 08-225-22 · NHTSA communication 10229798 · issued Dec 7, 2022
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Flash: Security Gateway Module (SGW) Updates This bulletin involves reprogramming the SGW with the latest available software to enable High Octane functionality for vehiclesthat have installed the Direct Connection Stage Kits. For customers that have the Direct Connection Redeye Stage I and Stage II kits installed on their vehicle, this flash is requiredto enable functionality of the High Octane Mode.
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.