Home » Alientech KESS3 Slave– Professional ECU & TCU Programming Tool
Alientech KESS3 Master ECU tuning tool with carry case and cables
Alientech KESS3 Master device – professional OBD, Bench, and Boot programmer
Alientech KESS3 Master ECU tuning tool with carry case and cables
Alientech KESS3 Master device – professional OBD, Bench, and Boot programmer

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Alientech KESS3 Slave– Professional ECU & TCU Programming Tool

In stock
£630.00

Ready to work out of the box!

All tools are delivered with essential accessories and easy-to-follow instructions. Unbox and start your projects with confidence!

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KESS3 Slave: OBD, Bench & Boot Programming Tool

No protocol activation included by default—please select your desired protocols from the options.
Complete kit includes carry case and cables.

The Most Advanced ECU & TCU Programming Solution

KESS3 Slave, developed by Alientech, sets a new benchmark in the chiptuning industry. Backed by 30 years of expertise and nearly three years of dedicated development, KESS3 delivers unparalleled performance, flexibility, and convenience for both newcomers and seasoned professionals.

3-in-1 Versatility

  • OBD Mode: Effortlessly access ECU data via the diagnostic socket.
  • Bench Mode: Direct connector interface for complete ECU data access—no soldering required.
  • Boot Mode: Unlock all system data areas for reading, writing, and cloning.

Next-Generation Hardware

  • Ultra-powerful microprocessor—7x faster than the previous generation.
  • Latest I/O interfaces: Ethernet, FlexRay, CAN Bus, K-Line, L-line, J1850, J1708.
  • Built-in GPS, accelerometer, Bluetooth, and Wi-Fi for future-ready performance.
  • High-speed USB chip for up to 10x faster file transfers.
  • Robust construction with a carry case and all necessary cables included. 

Alientech Suite – New Software

  • Sleek, intuitive interface for fast, easy operation.
  • Rapid vehicle and protocol search, with daily updates and multi-language support.
  • Direct access to Alientech help desk and technical resources.

Why Choose KESS3 Slave?

  • Professional-grade tool trusted by workshops worldwide.
  • Seamless programming for cars, motorcycles, trucks, tractors, and boats.
  • Constantly updated compatibility list—check supported vehicles.
  • Designed for both entry-level users and expert mechatronics.
Note:
No protocol activation is included by default. Please select the protocols you require before purchase.

Order by 12AM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.

Orders over £150 qualify for Free UK Shipping.

International shipping - Contact us!

Your product is covered by a 12 month Warranty unless specifically specified.