Scania fault code 4885

Code 4885 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Rotational speed sensor The signal from rotational speed sensor T74 has indicated an implausible rotational speed increase between two subsequent pulses. Read explanation → AMS V231, Reductant doser downstream of turbocharger, pressure too high The pressure is too high in the reductant doser downstream of the turbocharger when the engine is switched off. Read explanation →