Scania EMS DTC 4107 Communication with the SCR control unit

EMS Engine Management System · Scania · 2 variants

Code 4107 (decimal). Some diagnostic tools show it in hexadecimal as 100B.

In short

The CAN message MSG8 "NOx sensor data upstream of catalytic converter" from the NOx sensor is not being received.

Variant 1

Applies to: EMS S6

What does Scania EMS fault code 4107 mean?

What causes Scania DTC 4107?

How to fix Scania EMS fault code 4107?

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Variant 2: NOx sensor upstream of catalytic converter

Applies to: EMS S8

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

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