KESS3 Protocols Releases

New BOOT protocol for Continental DC4 GEN II – Dacia, Renault and Smart.

A new development dedicated to the automatic transmissions installed on compact vehicles with Renault engines.

18.05.2026 — Upgrade 3.17

With the new BOOT support for the Continental DC4 GEN II TCU, already available in OBD and BENCH mode, you can now access the transmission electronics directly with the highest level of operability.

The open-ECU connection allows complete and controlled operations for tuning activities, software recovery and advanced transmission management on 1.5 dCi, 0.9, 1.0 and 1.3 TCe engines from 2014 onwards.

An advanced technical access designed to work with greater precision on shifting strategies and gearbox behaviour, maintaining full control during every stage of the operation.

Technical focus

  • Connection: BOOT
  • TCU: Continental DC4 GEN II
  • Production years: from 2014
  • Brands involved: Dacia, Renault, Smart

Supported vehicles

  • Dacia Duster
  • Renault Kadjar, Megane, Twingo
  • Smart Forfour, Forfour Brabus

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