EMS 4403 Scania Coolant temperature

EMS Engine Management System · Scania · 3 variants

Code 4403 (decimal). Some diagnostic tools show it in hexadecimal as 1133.

In short

The engine coolant temperature exceeds the maximum value.

Variant 1

Applies to: EMS S7EMS S8 (S8PDE)

What does Scania EMS fault code 4403 mean?

What causes Scania DTC 4403?

How does the system react?

How to fix Scania EMS fault code 4403?

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Variant 2: Coolant temperature, critically high

Applies to: EMS10

Variant 3

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 4403 in other Scania systems

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