Scania fault code 5778

Code 5778 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Injector supply voltage Nozzle ring movement is too great, or the stop positions have moved, in the variable geometry turbocharger Read explanation → EMD Injector supply voltage Incorrect supply voltage to the injectors. Read explanation → EME Injector supply voltage Incorrect supply voltage to the injectors. Read explanation → EMO Injector supply voltage Incorrect supply voltage to the injectors. Read explanation →