Scania EMS DTC 4401 Coolant temperature sensor T33

EMS Engine Management System · Scania

Code 4401 (decimal). Some diagnostic tools show it in hexadecimal as 1131.

In short

The coolant temperature shown is higher than expected or the temperature in the variable geometry turbocharger is lower than expected.

Applies to: EMS S7EMS S8

What does Scania EMS fault code 4401 mean?

What causes Scania DTC 4401?

How does the system react?

How to fix Scania EMS fault code 4401?

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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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