SIM2K47 Pinout Standard Lookup Guide

18/08/2025

What is SIM2K47? What’s Special About This ECU?

When mentioning SIM2K series ECU, auto technicians will immediately think of Hyundai, Kia – with a series of codes SIM2K-140, 141, 241, 245, 341, D160… Among them,SIM2K47is a relatively new version, equipped on many Hyundai/Kia cars using 1.2L to 2.0L gasoline engines, such as Hyundai Accent, Grand i10, Soluto, etc.

SIM2K47 ECUManufactured by Smart Control – the chip supplier for Hyundai. This ECU line uses CAN or K-Line communication, controlling dynamic parameters and subsystems such as: injectors, ignition coil, return valve, electric throttle step, O2 sensor, MAP/MASS sensor…

SIM2K47 pinoutIt is the ECU pin diagram that helps us know which pin is mass, which pin is power, which pin is CAN H, CAN L, which pin is for boot, reset or read/write files…

Many devices now support SIM2K47 such as:

  • KESS3 (OBD/BOOT/Bench)
  • PCMFlash module 53 (OBD)
  • DFOX
  • BitBox/BitEdit
  • ECM Titanium (cho map)

But, Not all devices have clear wiring diagrams., that’s why we have to look upsim2k47 pinoutcorrectly before operating.

ECU Pinout Lookup SIM2K47

Checking pinout seems easy, but it is very easy to make a mistake. Even if only 1 ground pin or power pin is wrong, the ECU can hang or burn, especially when booting.

1. Between here Website ECUTools.vn

In ECUTools.vn, you can quickly look up pinout of popular ECU codes, includingSIM2K47 pinoutJust type “sim2k47” into the search bar, the system will return a clear, illustrated wiring diagram.

2. Use documents with devices

Tools likePCMFlash, KESS3, orBitBoxusually comes with wiring diagram:

  • PCMFlash module 53 uses OBD connector on vehicle
  • KESS3 supports both boot and bench, and SIM2K47 wiring is included in the Help Files

3. Forum – Community Group

Many people share wiring diagram SIM2K47 on groups such as:

  • DHTAuto.com
  • ECU Tuning Vietnam
  • Zalo groups, Facebook groups against ECU

You can ask for wiring and also share your experience when facing the “tough” SIM2K47.

4. Read wiring on ECU

On the SIM2K47 board there will be a ground wire (usually a black wire), a boot/RESET line, a serial line to read and write… However, for those who are not familiar with the SIM2K board, be careful of risks.

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