Scania fault code 4218
Code 4218 is used by 6 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Charge air pressure sensor T166
The charge pressure sensor indicates too high a charge air pressure.
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EMU
Heater H39, internal fault
The heater is reporting an internal fault.
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EMD
Charge air pressure sensor T166
The charge air pressure sensor indicates too high a value compared to the internal atmospheric pressure sensor in coordinator E30, exhaust gas pressure sensor T125 and charge air p…
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EME
Charge air pressure sensor T166
The charge air pressure sensor indicates too high a value compared to atmospheric pressure sensor T4000, exhaust gas pressure sensor T125 and charge air pressure sensor T122.
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EMO
Charge air pressure sensor T166
The charge air pressure sensor indicates too high a value compared to the internal atmospheric pressure sensor in coordinator E30, exhaust gas pressure sensor T125 and charge air p…
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DDU
Built in amplifier, internal fault
Information is missing, update is in progress.
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