Scania fault code 4223

Code 4223 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Charge air pressure sensor T166 The control unit interprets that there is a short circuit to earth. Read explanation → EMU Heater H40, high temperature The heater is reporting a temperature above 110°C. Read explanation → DDU Connection for sound, short circuit to voltage supply Short-circuit to voltage supply has been detected in the connection for sound. Read explanation →