Scania fault code 4197
Code 4197 is used by 7 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Internal atmospheric pressure sensor in coordinator E30
The atmospheric pressure sensor indicates too low a value in comparison with the charge air pressure and exhaust gas pressure.
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EMU
EACS control unit E154, communication fault
One or more CAN messages are missing.
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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
Internal atmospheric pressure sensor in coordinator E30
The atmospheric pressure sensor indicates too low a value in comparison with the charge air pressure and exhaust gas pressure.
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EME
Combined sensor T4000
The combined sensor indicates too low a value in comparison with the charge air pressure and exhaust gas pressure.
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EMO
Internal atmospheric pressure sensor in coordinator E30
The atmospheric pressure sensor indicates too low a value in comparison with the charge air pressure and exhaust gas pressure.
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DDU
Switch module in steering wheel for infotainment system: Decrease in volume, no signal
The DDU control unit has received an error message from the switch module via CAN.
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