Scania fault code 878

Code 878 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

BMU Battery Management Unit Battery module 10 in propulsion battery, internal fault Battery module 10 reports internal failure. Read explanation → COO Coordinator CAN communication with switch module Fault in communication with the switch module. Read explanation → MBS Door fan central door, vehicle speed 1, short-circuited The MBS control unit has detected that the door fan to the central door, speed 1, is short circuited to earth or battery voltage. The voltage for the pin is outside the permitted v… Read explanation →