Scania EMS DTC 5635 Cooling fan T123

EMS Engine Management System · Scania · 4 variants

Code 5635 (decimal). Some diagnostic tools show it in hexadecimal as 1603.

In short

- The speed of the cooling fan deviates from the speed requested by the control unit.

Variant 1

Applies to: EMS S6EMS S6 (EMS S6 EuroIII)

What does Scania EMS fault code 5635 mean?

What causes Scania DTC 5635?

How does the system react?

How to fix Scania EMS fault code 5635?

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Variant 2: Fan rotational speed sensor and solenoid valve, T123

Applies to: EMS S7EMS S8 (S8PDE)

Variant 3: Fan actuator, poor performance

Applies to: EMS10

Variant 4: Fan rotational speed sensor and solenoid valve, T123

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.

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