Alientech KESS3 Update: BENCH Support for Kefico CPEGD2.20.x ECU on Hyundai & Kia Petrol Engines

18/12/2025

Alientech continues to expand its capabilities on Asian vehicles. With this new update, KESS3 officially supports BENCH mode operation on Kefico CPEGD2.20.x ECUs, installed on many Hyundai and Kia petrol models from 2017 onwards.

Technical information

  • Connection: BENCH
  • Supported ECUs: Kefico CPEGD2.20.1 / CPEGD2.20.2 / CPEGD2.20.3 / CPEGD2.20.4
  • Production years: From 2017
  • Brands: Hyundai, Kia
  • Available protocols: OBD – BOOT – BENCH

Supported petrol engines

These Kefico CPEGD2.20.x ECUs are used on a wide range of popular petrol engines, including:

  • 1.0 MPI
  • 1.0 T-GDI
  • 1.2 MPI
  • 1.4 T-GDI
  • 1.6 T-GDI

Supported vehicles

Hyundai

  • Aura
  • EON
  • i10
  • i20
  • Kona
  • Sonata
  • Tucson
  • Veloster

Kia

  • Ceed
  • Morning
  • Optima
  • Picanto
  • Proceed

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