Scania EMS DTC 4400 Coolant temperature

EMS Engine Management System · Scania · 3 variants

Code 4400 (decimal). Some diagnostic tools show it in hexadecimal as 1130.

In short

The signal from the coolant temperature sensor has been implausible compared with the signal expected during current operational conditions.

Variant 1

Applies to: EMS S6

What does Scania EMS fault code 4400 mean?

What causes Scania DTC 4400?

How does the system react?

How to fix Scania EMS fault code 4400?

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Variant 2: Coolant temperature sensor T33

Applies to: EMS S7

Variant 3: Coolant temperature sensor T33

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.

Code 4400 in other Scania systems

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