Scania fault code 4131

EMS Engine Management System Voltage supply for SCR control unit The concentration of reductant is too low and the level of nitrogen oxides downstream of the catalytic converter is too high. Read explanation → EMU Refrigerant compressor E158, supply voltage, short circuit to earth The control unit indicates too low a voltage. Read explanation → EMD Reductant quality too low The concentration of reductant is too low and the level of nitrogen oxides downstream of the catalytic converter is too high. Read explanation → EME Reductant quality too low The concentration of reductant is too low and the level of nitrogen oxides downstream of the catalytic converter is too high. Read explanation → EMO Reductant quality too low The concentration of reductant is too low and the level of nitrogen oxides downstream of the catalytic converter is too high. Read explanation → DDU Lane departure warning, short circuit to voltage supply. Information is missing, update is in progress. Read explanation → EEC Exhaust Emission Control Exhaust gas temperature sensor upstream of the particulate filter The exhaust gas temperature sensor upstream of the particulate filter indicates incorrect values. Read explanation → LAS Locking and Alarm System Remote control 16 The control unit detects that the remote control is transmitting a continuous signal. Read explanation →