Alientech KESS3MA003 KESS3 Master Agriculture Truck & Buses OBD Protocols activation

This product is a software protocol activation/license for the Alientech KESS3 Master tuning tool. The hardware unit itself is not included — you must already have the Alientech KESS3 Master hardware to use this activation.

Once activated, it enables your KESS3 device to communicate with the ECUs (engine control units) of agricultural vehicles, trucks, and buses via the vehicle’s OBD port.

This includes the ability to read and write ECU data over the OBD interface, which is how most modern ECU remapping and tuning is performed.