Scania fault code 9783

Code 9783 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Over run safety monitor diagnostic test. This fault code is triggered when the injector ontime has been too long while the vehicle is in overrun condition (torque demand is low and engine speed is above 800 RPM). Read explanation → ALLISON Allison automatic gearbox Engine torque limitation (SEM) not possible The engine does not respond to the request for torque reduction from the control unit. Read explanation →