Scania fault code 793
Code 793 is used by 7 different Scania systems. Choose the control unit shown in your diagnostic tool:
BMU Battery Management Unit
Battery pack interlook loop fault
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COO Coordinator
Switch, kneeling
The coordinator has interpreted the signal from the switch as prohibited.
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MBS
Sensor for battery charging cover, open circuit
Open circuit for the voltage supply of the battery charging cover sensor detected.
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DDU
EPB control unit, no CAN communication
The DDU control unit is not receiving CAN messages from the EPB control unit.
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ICL Instrument Cluster
Communication with the electropneumatic parking brake system (EPB)
No CAN message from the electropneumatic parking brake system.
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CMS
Emergency stop control, signal fault
There is a short circuit to battery or an open circuit on the PWM signal for the emergency stop control.
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DCU
Output, sensor power supply, voltage too low
The voltage on the supply pin for the sensor electric power supply output is 1 V under the selected voltage. The default selected voltage is set to 12 V.
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