Scania fault code 773
Code 773 is used by 12 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Misfiring in cylinder 5
Cylinder 5 is not delivering any torque.
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BMU Battery Management Unit
Coolant pump (M38/M82), fault in CAN communication
CAN message from coolant pump has not been sent.
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EMD
Cylinder 5 Misfire Detected
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EME
Cylinder 5 Misfire Detected
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EMO
Cylinder 5 Misfire Detected
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MBS
Luggage compartment door sensor, 1st central left from rear axle, electrical fault
Faults have been detected to sensors for the 1st central left-hand side luggage compartment door, as counted from the rear axle. The measured voltage on the pin is 12 V.
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DDU
Engine control unit, no CAN communication
The DDU control unit is not receiving CAN messages from the engine control unit.
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PCS
CAN message missing
Messages have not been received within 5 nominal transfer rate periods.
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ICL Instrument Cluster
Communication with the engine control unit (EMS)
No CAN messages from the engine control unit.
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CMS
Pressure sensor for tag axle
The signal from the pressure sensor is implausible; the voltage is too high.
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COMMUNICATOR Communicator (C200 / C300 / C400)
Communication with alarm control unit
The RTC control unit has not received any CAN messages from the alarm control unit within the expected time.
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DCU
Not impl: Overload on digital output
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