Theory Of Operation
WARNING: This page is about a different car, the 2020 Chrysler 300 and 2019 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
The Security Gateway Module (SGW) has three calibration files (flashes), default (blank-new module), Assembly (fully communicating without authentication only in assembly plant), Customer (Secured data that requires authentication).