Continental SIM2K-253 ECU Tuning
Engine control unit used in 5 supported models from 2 makes.
Hyundai with the Continental SIM2K-253
All Hyundai tunes- Hyundai IONIQ2017+1.6i GDI HybridAutoTuner
- Hyundai Kona2023+SX2 · 1.6i GDI HybridAutoTuner
Kia with the Continental SIM2K-253
All Kia tunes- Kia Niro2016+1.6i GDI HybridAutoTuner
- Kia Optima (K5)2015+JF · 2.0 GDI PHEVAutoTuner
- Kia X-Ceed2019+1.6i GDI HybridAutoTuner
About Continental SIM2K-253 tuning
The Continental SIM2K-253 engine control unit is supported in 5 models from Hyundai, Kia. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.