Scania EMS DTC 5155 Pressure switch for blocked air filter, T157

EMS Engine Management System · Scania · 2 variants

Code 5155 (decimal). Some diagnostic tools show it in hexadecimal as 1423.

In short

The pressure switch for blocked air filter produces a signal voltage which is too high.

Variant 1

Applies to: EMS S7EMS S8EMS S8 (S8PDE)

What does Scania EMS fault code 5155 mean?

What causes Scania DTC 5155?

How does the system react?

How to fix Scania EMS fault code 5155?

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Variant 2

Applies to: EMS S6EMS S6 (EMS S6 EuroIII)

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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