Scania fault code 4379
Code 4379 is used by 5 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Fuel inlet metering valve, short circuit to earth
Short circuit to earth.
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BMU Battery Management Unit
Battery module 11, electrical fault
The cell monitoring circuit board has detected faults in the electrical cable that connects to the individual battery cells.
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DDU
GMSL link in interactive centre information display, short circuit in cable harness
Information is missing, update is in progress.
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AMS
Reductant pump, short circuit to earth
Fault in the reductant pump voltage supply circuit.
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EEC Exhaust Emission Control
Reductant pump, short circuit to earth
Fault in the reductant pump voltage supply circuit.
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