Scania fault code 1858

Code 1858 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

MBS MBS expansion unit B, current above limit value MBS expansion unit B has detected that the limit values for the current to and from the MBS expansion unit have been exceeded. Read explanation → CID CAN communication, short circuit Short circuit to 24 V on CAN communication detected. Read explanation → DD CAN communication, short circuit Short circuit to 24 V on CAN communication detected. Read explanation →