The Alientech KESS3 Annual Car License enables full access to KESS3 vehicle tuning functions for passenger cars for a period of 12 months. This product is a software license only and does NOT include the KESS3 hardware device.

Designed for professional tuners and workshops, this annual license allows you to read and write ECU and TCU data on supported vehicles using the Alientech KESS3 platform. It provides continuous access to official Alientech updates, new vehicle protocols, and enhanced tuning features throughout the license period.

Key Features

  • Annual license valid for 12 months

  • Supports cars only (passenger vehicles)

  • Enables ECU and TCU read/write operations

  • Access to official Alientech software updates

  • Unlocks new vehicles and protocols released during the license period

  • Compatible with Alientech KESS3 hardware (not included)

  • Ideal for professional tuning workshops and advanced users

Important Notes

  • This product does NOT include the KESS3 device

  • Requires an existing Alientech KESS3 tool

  • License activation is linked to the registered KESS3 unit

  • Internet connection required for activation and updates

  • Non-refundable once activated

System Requirements

  • Alientech KESS3 hardware (sold separately)

  • Windows-based PC

  • Active internet connection

What’s Included

  • 1× Alientech KESS3 Annual Car License (Digital License)