Alientech KESS3SU003 KESS3 Slave Agriculture Truck & Buses OBD Protocols upgrade from Slave to Master activation

Slave Version

• Allows you to read and write ECU data via OBD (in this case, for agriculture, trucks, buses).

• Limitations: The files you read from an ECU are encrypted. You must use a linked Master account/tool to decrypt and modify them. The Slave tool cannot independently create or edit tuning files — it relies on a Master provider.

Master Version

• Offers full control: read unencrypted files, edit them yourself, and write back via OBD.

• Enables you to work with multiple file providers and produce your own custom maps and tuning files.