Scania fault code 4664

Code 4664 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

AMS Reductant doser heater, excessive consumption The reductant doser heater has consumed more power than permitted. Read explanation → EEC Exhaust Emission Control Reductant circuit The heater of the reductant doser has consumed more power than permitted. Read explanation →