Alientech KESS3 Slave tool

The Alientech KESS3 Slave tool is the ultimate ECU flashing tool for professional tuners, designed to read and write files provided by a KESS3 MASTER. Ideal for performance tuning, the KESS3 Slave tool simplifies the ECU remapping process with a fast, secure, and user-friendly interface.

Alientech KESS3’s Key Features:

• Seamless ECU Flashing – Read and write ECU files supplied by the Master version for effortless tuning.
• Automatic Checksum Correction – Ensures file compatibility during flashing, preventing errors.
• Integrated Step-by-Step Instructions – Embedded picture guides make the process easy and efficient.
• Real-Time Software Updates – KESS3 automatically updates AlientechSUITE each time it’s connected.
• Vehicle Identification System – Quickly find supported vehicles via the AlientechSUITE menu.
• Battery Voltage Monitoring – Live voltage display ensures stability during reading and writing.
• DTC Management – Automatically checks diagnostic trouble codes (DTCs) when writing files.
• Recovery Mode – Protects against interruptions during flashing, preventing ECU issues.

Perfect for automotive tuners, workshops, and performance specialists, the Alientech KESS3 SLAVE is a must-have tool for professional ECU remapping.

We automatically attach your KESS3 slave tool to Alt Tune’s ECU file service unless you tell us otherwise.