Scania fault code 4631

Code 4631 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

AMS Reductant pump V183, overpressure protection triggered Reductant pump motherboard sends a predefined fault mode indicator over the feedback pin. Can only be evaluated in pump or dosing workshop test.Reductant pump motherboard sends a p… Read explanation → ICL Instrument Cluster DAU The driver alert unit (DAU) indicates internal fault 3. Read explanation →