Scania EMS DTC 4104 Communication between the NOx sensor downstream of the catalytic converter and the SCR control unit.

EMS Engine Management System · Scania · 2 variants

Code 4104 (decimal). Some diagnostic tools show it in hexadecimal as 1008.

In short

From the sensor diagnostics

Variant 1: Application speicific integrated circuit(ASIC) Inter-integrated circuit(I2C) communication error

Applies to: EMS10

What does Scania EMS fault code 4104 mean?

What causes Scania DTC 4104?

What are the symptoms?

How to fix Scania EMS fault code 4104?

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Variant 2

Applies to: EMS S6

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

Code 4104 in other Scania systems

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