It’s a Chrysler 300C V8 5.7. With Continental GPEC2A ECU.
Foxflash read and write no problem in boot mode.
Checksum by foxflash.
HEMI 363HP/534Nm 2018 Stage 1
385/560Nm, Vmax OFF and OBD Unlock to be tuned in the future HPtuners.
Images attached: