Scania fault code 4200
Code 4200 is used by 7 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Exhaust gas pressure sensor T125
The control unit indicates an internal fault.
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EMU
Refrigerant compressor E158, internal fault
The refrigeration compressor is reporting that it is locked. The fault code is secondary and is due to the following fault codes being set during a certain time interval: 4181, 419…
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BMU Battery Management Unit
Cell monitoring circuit board, too high or too low a reference voltage for AUX_AVDD
A chip in a cell monitoring circuit board reports a reference value outside the permitted range.
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EMD
Exhaust gas pressure sensor T125
The exhaust gas pressure sensor indicates too high a value in comparison with the atmospheric pressure and charge air pressure.
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EME
Exhaust gas pressure sensor T125
The exhaust gas pressure sensor indicates too high a value in comparison with the atmospheric pressure and charge air pressure.
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EMO
Exhaust gas pressure sensor T125
The exhaust gas pressure sensor indicates too high a value in comparison with the atmospheric pressure and charge air pressure.
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DDU
Switch module in steering wheel for cruise control functions, no signal
The DDU control unit has received an error message from the switch module via CAN.
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