The Alientech KESS3 Slave – Marine & PWC OBD Protocol Activation enables OBD communication protocols for marine engines and personal watercraft (PWC) on the Alientech KESS3 Slave platform. This product is a software protocol activation only and does NOT include the KESS3 hardware device.

This activation allows professional marine and tuning workshops operating in Slave mode to perform ECU read and write operations via the OBD interface on supported marine engines and PWCs, within a Master–Slave tuning environment. Once activated, the protocol is permanently linked to the registered KESS3 Slave unit.

Key Features

  • Activates OBD protocols for marine engines and PWCs (Slave version)

  • Enables ECU read/write operations via OBD

  • Designed for Master–Slave tuning configurations

  • Permanent protocol activation (no expiration)

  • Fully integrated with Alientech KESS3 software

  • Requires Alientech KESS3 Slave hardware (not included)

  • Intended for professional marine service and tuning workshops

Important Notes

  • This product does NOT include the KESS3 device

  • Requires a registered Alientech KESS3 Slave tool

  • Operates exclusively in Slave mode under a Master account

  • Activation is locked to a single KESS3 unit and is non-transferable

  • Vehicle and ECU compatibility depends on Alientech protocol coverage

  • Non-refundable once activated

System Requirements

  • Alientech KESS3 Slave hardware (sold separately)

  • Windows-based PC

  • Active internet connection for activation and synchronization

What’s Included

  • 1× KESS3 Slave – Marine & PWC OBD Protocol Activation (Digital Activation)