Scania fault code 772
Code 772 is used by 11 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Misfiring in cylinder 4
Cylinder 4 is not delivering any torque.
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COO Coordinator
Air suspension remote control 2
A button for vehicle level adjustment has been active for an implausible amount of time.
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MBS
Sensor for SCR hatch, open circuit
The voltage supply to the control unit input for the SCR hatch sensor is 12 V. This indicates an open circuit.
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DDU
CSS control system, no CAN communication
The DDU control unit is not receiving CAN messages from the CSS control system.
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PCS
CAN message missing
Messages have not been received within 5 nominal transfer rate periods.
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LAS Locking and Alarm System
Communication with CSS.
LAS has no communication with the CSS control unit or is receiving implausible responses.
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ICL Instrument Cluster
Communication with the crash safety system (CSS)
No CAN messages from the crash safety system.
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CMS
Engine shutdown switch signal
The voltage on control unit pin B10 is too high.
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TCC
TCC control unit, parameter fault
The TCC control unit has interpreted a parameter fault.
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COMMUNICATOR Communicator (C200 / C300 / C400)
Communication with the instrument cluster (ICL)
The RTC control unit has not received any CAN messages from the ICL control unit within the time expected.
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DCU
Electric door motor, front door leaf, short circuit outputs
- Maximum current level has been detected in the door motor brake’s 24 V output (CN6-16). - The current to the door motor brake has exceeded 2 A.
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