Scania fault code 4103
Code 4103 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Thawing of reductant in the SCR system
Sensor not able to calculate parameters of the fluid from the sensor diagnostics
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EMU
Temperature sensor T250, short circuit to supply voltage or open circuit
The control unit indicates too high a voltage.
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DDU
External side detection warning sound, short circuit to earth
Information is missing, update is in progress.
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PCS
Current max static flywheel torque of ICE reported out of range
PCS has detected that the Current Max Static flywheel torque of ICE, is unexpectedly large or small.
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