Sc23204-ci.rar -

: These .rar files are usually extracted and used with diagnostic software such as Cummins INSITE or ServiceRanger to flash new software onto a vehicle's computer.

October 2023 ECM Calibration Updates | PDF | Engines - Scribd sc23204-CI.rar

Calibration files are highly specific to engine serial numbers and configurations. Using the wrong file or an unverified download can permanently damage an engine's ECU. It is recommended to source these directly from the official Cummins QuickServe Online portal. : These