Scania fault code 794
Code 794 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
COO Coordinator
LIN bus, communication error
Communication with LIN bus does not work correctly.
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MBS
Vehicle speed, missing signal
The vehicle speed signal value is missing. The signal status of the CAN message is incorrect or unavailable.
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DDU
TSA control unit, no CAN communication
The DDU control unit is not receiving CAN messages from the TSA control unit.
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ICL Instrument Cluster
Communication with the additional tag axle steering system (TSA)
No CAN message from the additional tag axle steering system.
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