Scania fault code 803
Code 803 is used by 7 different Scania systems. Choose the control unit shown in your diagnostic tool:
BMU Battery Management Unit
The propulsion battery level monitor T181 indicates a low fluid level.
Low coolant level in the propulsion battery cooling system. Signal from the level monitor.
Read explanation →
COO Coordinator
Power steering circuit 2
The flow in power steering circuit 2 has been implausible in relation to the vehicle speed.
Read explanation →
MBS
#Not implemented. Electric compressor high temperature
Electric compressor does not run when expected
Read explanation →
ELC Electronically controlled air suspension
Control box 2
The voltage on the input from the control box has been too high.
Read explanation →
DDU
Missing CAN-messages from CID
No CAN message recieved from Centre Information Display (CID1) Only stored when ignition is ON.
Read explanation →
CMS
Longitudinal differential lock solenoid valve, double-drive bogie
Overload on the output to the solenoid valve.
Read explanation →
DCU
Door control unit, potentiometer rear door leaves, voltage outside valid range
The door control unit has detected that the voltage at the input (CN3-10) is outside the valid voltage range 0.8-10.6 V
Read explanation →