Scania fault code 4388

EMS Engine Management System Cylinder balancing, cylinder 4 The highest level to which the control unit can adjust the fuel volume for the cylinder has been reached. Read explanation → BMU Battery Management Unit Battery module 4, cell monitoring circuit board, minor internal fault The cell monitoring circuit board has detected an internal error and is having trouble monitoring the status of the battery module. Read explanation → DDU Fault in built in amplifier Information is missing, update is in progress. Read explanation → AMS NOx sensor at the silencer outlet, short circuit to earth The control unit indicates that the voltage supply to the NOx sensor at the silencer outlet T115 is shorted to ground. Read explanation → EEC Exhaust Emission Control NOx sensor downstream of the SCR catalytic converter Fault in the voltage supply to NOx sensor T115 downstream of the SCR catalytic converter. Read explanation →