PCMflash - 41 Module For Working With The Engine Control Unit Of Scania EMS S6 Cars Software Activation From Scanmatik. Specs: Manufacturer: Scanmatik   Software module for working with the engine control unit of Scania EMS S6 cars To use the module, you need to purchase a USB dongle. The key can be purchased in our store. You can purchase an unlimited number of modules with one key. Which cars and control units is the 41 PCM FLASH module designed for: Scania EMS S6 250Kbps (MPC555) Scania EMS S6 500Kbps (MPC555) Read, write, checksum verification.