Scania fault code 821

BMU Battery Management Unit The temperature in the direct current converter E84 (DCC) is too high The direct current converter sensor 1 indicates a temperature above 95°C and/or a temperature above 130°C on sensor 2. Error messages about temperature being too high are sent acro… Read explanation → COO Coordinator Switch module The control unit interprets that the switch module is misconfigured. The chassis serial number in the control unit and switch module differ. Read explanation → MBS #Not implemented. Secondary passenger area evaporator fan defective Input for detecting evaporator fault is active. Signal is activated by faulty evaporator fan or signal is sorted to ground or Vbat. Read explanation → CMS Pressure sensor for rear axle, left-hand side The voltage on the input from the pressure sensor (control unit pin B17) has been too low. Read explanation → DCC The temperature in the direct current converter, DCC, is too high The direct current converter sensor indicates a temperature of more than 110°C. Error messages about the temperature being too high are sent via CAN from the direct current convert… Read explanation →