Scania fault code 4374
Code 4374 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Cylinder balancing, cylinder 6
Normal operating temperature has not been reached within a reasonable time after starting.
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BMU Battery Management Unit
Battery module 6, 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 driver display, short circuit in cable harness
The GMSL link indicates a fault causing a short circuit.
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