Scania fault code 4393

Code 4393 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

BMU Battery Management Unit Battery module 9, 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 EOL Internal Mismatch EOL parameters have lost internal sync within the DDU ECU Read explanation →