Scania fault code 877

Code 877 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

BMU Battery Management Unit Battery module 9 in propulsion battery, internal fault Battery module 9 reports internal failure. Read explanation → COO Coordinator CAN communication with switch module Fault in communication with the switch module. Read explanation → MBS Door fan behind articulation unit, vehicle speed 2, short-circuited The MBS control unit has detected that the door fan behind the articulation unit, speed 2, is short circuited to earth or battery voltage. The voltage for the pin is outside the pe… Read explanation →