Press Release, 11. 2. 2020, Prague. SCR (Selective Catalytic Reduction) system manipulation
Prague, 11. 2. 2020. Mohelnice, end of January: the roadside check carried out by the Czech Police special department dealing with road fraud detection and vehicle condition inspection detected two trucks operated by domestic freight forwarders equipped with an emulator, a device that manipulates the urea (AdBlue) injunction function into the exhaust system, which reduces the emission. Thus, the emission reduction system is deactivated and broken. The Czech Police has recently completed a specialized training on various ways of system manipulation and its detection, provided by TÜV NORD Czech.
You can find more information in the Press Release.