Scania EMS DTC 4106 Communication fault in the SCR system

EMS Engine Management System · Scania · 2 variants

Code 4106 (decimal). Some diagnostic tools show it in hexadecimal as 100A.

In short

The engine control unit has no CAN message from the NOx sensor.

Variant 1

Applies to: EMS S6

What does Scania EMS fault code 4106 mean?

What causes Scania DTC 4106?

How does the system react?

How to fix Scania EMS fault code 4106?

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Variant 2: NOx sensor downstream of the 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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