Scania EMS DTC 5154 Pressure switch for blocked air filter, T157

EMS Engine Management System · Scania · 4 variants

Code 5154 (decimal). Some diagnostic tools show it in hexadecimal as 1422.

In short

Pressure switch T157 (connected to the coordinator) in the engine air intake indicates that the vacuum is over 64 mbar and that the air filter is blocked.

Variant 1

Applies to: EMS S6EMS S6 (EMS S6 EuroIII)

What does Scania EMS fault code 5154 mean?

What causes Scania DTC 5154?

How does the system react?

How to fix Scania EMS fault code 5154?

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Variant 2: Air filter

Applies to: EMS S7EMS S8 (S8PDE)

Variant 3: Air filter blocked

Applies to: EMS10

Variant 4: Air filter

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 5154 in other Scania systems

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