Scania fault code 4222

Code 4222 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Pressure sensor T166 The control unit interprets that there is a short circuit to voltage supply or a connection fault. Read explanation → EMU Heater H39, low currents The heater is reporting a current below 600 mA. Read explanation → DDU Connection for sound, short circuit to earth Short circuit to earth has been detected in the sound connection . Read explanation →