Scania fault code 4111
Code 4111 is used by 7 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
NOx sensor T115 downstream of the SCR catalytic converter measures too low a value.
CAN message is missing.
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BMU Battery Management Unit
BMU, internal fault
The BMU control unit has detected an internal communication fault in the circuit board voltage regulator.
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EMD
NOx sensor T115 downstream of the SCR catalytic converter measures too low a value.
NOx sensor T115 downstream of the catalytic converter has not started within a set time.
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EME
NOx sensor T115 downstream of the SCR catalytic converter measures too low a value.
NOx sensor T115 downstream of the catalytic converter has not started within a set time.
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EMO
NOx sensor T115 downstream of the SCR catalytic converter measures too low a value.
NOx sensor T115 downstream of the catalytic converter has not started within a set time.
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DDU
Camera activation, voltage supply on spare pins, break in the circuit
Information is missing, update is in progress.
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PCS
The value of Actual Max Avail Retarder (CAN ERC1) is NA or ERROR.
PCS has deteced that Actual Max Avail Retarder (CAN ERC1) is NA or ERROR.
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