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Fault code: 41105 SCANIA

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Finding the fault code

Enter the fault code





Fault code 41105

EMS Engine Management System

Temperature sensor after SCR catalytic converter

Error identification:

The voltage in the circuit has been outside the permitted range.


Cause:

Open circuit in the temperature sensor circuit after the catalytic converter.


Notes:

If the voltage is outside the permitted range, the control unit uses a pre-programmed value at -273°C.

The fault causes reductant injection to be switched off.


Action:

Check the circuit components, harness-to-harness connectors and electrical cables.

Measure the resistance of the sensor. If the temperature is between 10 - 30°C, the resistance should be approximately 207 - 222 ohms.

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