Scania fault code 4256

Code 4256 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System CAN communication between TMS and EMS Open circuit in CAN communication between TMS and EMS. Read explanation → DDU Voice Recognition SW Faults TBD Read explanation → GSC High pressure solenoid valve Incorrect level on current signal through the solenoid valve coil. Read explanation →