Scania EMS DTC 4105 Communication between the NOx sensor downstream of the catalytic converter and the SCR control unit.

EMS Engine Management System · Scania · 2 variants

Code 4105 (decimal). Some diagnostic tools show it in hexadecimal as 1009.

In short

Internal Temp. above 125 degrees

Variant 1: Tuning fork internal temperature conditions

Applies to: EMS10

What does Scania EMS fault code 4105 mean?

What causes Scania DTC 4105?

What are the symptoms?

How to fix Scania EMS fault code 4105?

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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 4105 in other Scania systems

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