Scania fault code 4198
Code 4198 is used by 7 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Charge air pressure sensor T122
The EMS control unit has detected that the value displayed by the atmospheric pressure sensor is too high compared with other atmospheric pressure sensors in the vehicle.
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EMU
Refrigerant compressor E157, internal fault
The refrigeration compressor reports no CAN message from EMU1 control unit E159.
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BMU Battery Management Unit
Cell monitoring circuit board, internal fault
Chip for cell balancing in a cell monitoring circuit board reports faults.
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EMD
Charge air pressure sensor T122
The EMS control unit has detected that the value displayed by the atmospheric pressure sensor is too high compared with other atmospheric pressure sensors in the vehicle.
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EME
Combined sensor T47
The combined sensor indicates too high a value in comparison with the atmospheric pressure, exhaust gas pressure or another charge air pressure.
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EMO
Charge air pressure sensor T122
The EMS control unit has detected that the value displayed by the atmospheric pressure sensor is too high compared with other atmospheric pressure sensors in the vehicle.
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DDU
Switch module in steering wheel for infotainment system: Increase in volume, no signal
Information is missing, update is in progress.
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