RAM dealerships are updating PCM security protocols for flashing, installing new software that introduces a fresh security protocol. This change prevents tuners from being able to flash these PCMs.
Ensure to instruct the dealer not to flash your RAM during servicing. Flashing the PCM will restore it to stock settings, resulting in the loss of your tune.
Moreover, it’s likely that you won’t be able to re-tune the truck. If this occurs with a deleted truck, it will not function properly. The dashboard will display numerous error messages or Diagnostic Trouble Codes (DTCs), necessitating the reinstallation of emissions systems.