Scania fault code 4108
Code 4108 is used by 7 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Communication with the SCR control unit
Communication between the EMS control unit and the EEC control unit has ceased.
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BMU Battery Management Unit
Cell monitoring circuit board, communication fault
Fault in communication between the BMU control unit and cell monitoring circuit boards. No circuit board is sending data.
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EMD
SCR control unit
Communication between the engine control unit and the SCR control unit has ceased.
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EME
SCR control unit
Communication between the engine control unit and the SCR control unit has ceased.
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EMO
SCR control unit
Communication between the engine control unit and the SCR control unit has ceased.
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DDU
External Side detection warning sound, short circuit to voltage supply
Information is missing, update is in progress.
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PCS
Parasitic torque for Engine is out of range
PCS has deteced that the parasitic torque of ICE, is out of range.
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